My Life Revisited. Part 7: 1981

Another year, another birthday, and another reason for hanging out with ‘the gang’. We are now into the 80’s but brown still seems to be the predominant colour in our house. Note the absence of any girls in this picture. This would set the tone for my relationships (or lack of them) for the next twenty years.

At back left, wearing the Spider Man top is Stephen Pontin, he used to live next door to me. Then it’s me with another classic pudding-bowl haircut. I am taller than it suggests in this photo, I don’t quite know why it came out with me looking like a little munchkin out of the Wizard of Oz. On my right - and showing how cool he is because he doesn’t need to even look at the camera - is Mark Freeman. He lived four doors down from our house, and I think that his parents still live there. To his right I think it is Jamie Newman who was in my year at school (and possibly in my class).

Into the front row, and on the left we have Kevin Seabright...I can’t work out if that is a polo neck sweater underneath a deep V-neck sweater, or whether it’s a single sweater designed to look like it’s two sweaters. Then we have Mark’s younger brother Chris. There’s something about his hair and face in this picture that intensely reminds me of this little fellow. Completing the line-up is my friend Tony (who lived next door to me as well...but the other side to Stephen). He is also showing that he is too cool to be in this photo, as he has his eyes shut. Notice the nipple-clamp attachments on his cardigan.

We are so wide-eyed and innocent in this picture (apart from Tony, obviously). Our chief concern at this age was accumulating Star Wars toys, eating sweets, and heeding the wise words of the Green Cross Code Man. We were still years away from being aware of the dangers and stresses of AIDS, property repossession, and crack cocaine (though taking a second look at Chris’s face, I do wonder...).

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Posted 3 days ago

Facebook protest groups - from lazy statistics to lazy journalists

We've all seen them. If you have a few hundred friends on facebook then the chances are that every time you log in, you will discover that one of your friends has joined a group that is protesting for or against something. Many of these groups are named after a specific intention to get X members to join. E.g.

'I bet that we can get 1 million facebook members to put an end to domestic refrigerator abuse'

I will say from the outset that I don't have any particular problem with the concept of having these groups on facebook. There are many just causes in the world, and facebook is an easy way of spreading your message about these causes. Not only is it easy to do, you also have the possibility of attracting many, many people to your cause. Instead, my issue with these groups is two-fold:

1) Many of the groups that attempt to get a target number of people to join their cause never consider whether that is an appropriate target or not

2) Journalists seem to love including a piece at the end of articles saying "There is now a facebook group in support of this protest which has attracted X many members".

Let's explore each of these issues in turn through use of some specific examples.

Same sex marriage

Here is a typical facebook group to illustrate my point (I include the current membership of the group in parentheses):

If you are going to pick a target number for your facebook group then '1 million' seems to the most popular choice. It may be a convenient 'very large number' to choose but it becomes a little bit pointless if your target audience already exceeds that figure. I.e. if I start a group called 'Lets get 1 person in my household to not burn the house down', it's not very impressive if I find one person to join.

The potential membership of any facebook group is theoretically limited to however many people are on facebook.  There can't be that many people using facebook, can there? Umm, yes there can. Facebook's own statistics puts the number of active users at 400 million. It doesn't break down these statistics by country but it does say that 70% of its users are from outside the United States. This implies that there are ~120 million facebook users in the United States, which is about 40% of the entire American population.

So what does all this mean? Well, for the group mentioned above it means that the group owner is trying to get 1 million users out of a potential USA facebook population of 120 million. If we ignore any interest in this group from people outside of America then it is essentially asking: 'Can we get 0.8% of Americans to join this group'. Whether this is an impressive feat or not partly depends on how many gay, lesbian, and bisexual people there are in America. It seems safe to assume that most, if not all, of these groups should be in favor of same-sex marriage. According to Wikipedia, a 2008 CNN exit poll suggested that self-identified gay, lesbian, and bisexual voters made up 4% of the voting population. Other surveys have put this at higher proportion, but let's go with 4%. By proxy, we'll assume that 4% of American facebook users are gay, lesbian, or bisexual. This suggests that there are 4.8 million gay, lesbian, and bisexual Americans who use facebook. And yet, the group that is campaigning for same-sex marriage has attracted less than a third of this number. Suddenly the 1.6 million membership of this group, which surely includes many heterosexual facebook users, looks less impressive.

State vs state

This is a little more interesting. I assume that there are similar groups for all states in America. You hopefully are already aware that California and Texas are the largest and second largest states by population. You may not know that Vermont is the least populous (I'm excluding Washington DC). We might assume that there are no huge state-wide differences in the use of facebook, but there are some figures that dispute this. California is 1.5 times more populous than Texas, and yet it has nearly twice the number of facebook users (the excess Californian facebook users are no doubt concentrated in the Bay Area). However, if you calculate each of these groups' memberships as a proportion of all the facebook users in that state, then we see a different picture:

Vermont - 24%
Texas - 19%
California - 2%

Well done Vermont, you're punching above your weight!

Feel the love

This example really doesn't need much discussion. For one thing, do you think that many people hate planet earth? Assuming that the answer to this question is 'no', then we can see that this group is targeting 1 million people which is a quarter of one percent of all the world's facebook users. That's aiming pretty low, but as the group membership shows, it's not quite low enough.

Aiming high

Hooray, at last a group with some degree of ambition. Even better than just targeting a much larger number of people, the owner of this group deliberately targeted a proportion of all facebook users worldwide. The problem with this approach of course, is that things change quickly. At the time of creation, the group was aiming for 55 million people which represented over 90% of all facebook users. It now represents about 14% and this proportion will only continue to fall. But at least it is along the right lines.

Facebook you can stop this madness

Ideally I'd love it if facebook itself provided a way of creating group names where you can specify a target percentage and let facebook update the target figure based on its changing membership. In my fantasy world, facebook would even give options where you could specify a percentage of the world's facebook user base, or just a specific country. Of course, it's unlikely to happen. But until that day comes, I live in hope that more people start realizing that targeting a million people may not be that ambitious at all. The degree of ambition does also depend on the cause however. E.g. which of these three (fictional) causes are more deserving?

1 million people to abolish fox hunting
1 million people to abolish Fox News
1 million people to abolish Megan Fox

Extra, extra, read all about it

Speaking of news leads me to the second part of my argument against facebook groups. Most of these groups are not newsworthy and will never attract enough members to represent a statistically large proportion of the population (or even a large proportion of the intended membership). However, it is very easy for journalists to use these figures as 'evidence' that a cause has attracted a lot of attention. Typically, no mention is ever given to whether the number of members is a small or large fraction of the target membership.

In the past, when you wanted to register your protest over the latest issue du jour, you might write to your politician (this is something that I used to do frequently).  It was also common for campaigns to collect written signatures and present a petition to the White House or to 10 Downing St. If you live in the UK, the petition process has become digital and you can save yourself valuable ink when expressing your disgruntlement and just reach for the mouse and keyboard instead. At least with these 'e-petitions' you still have to include a name, email address, and postal address. But in the era of facebook, we can be content in not having to even type a single character. Click once to see the group, and click once more to join it. The facebook form of digital democracy means you can vote with one hand, leaving the other hand free to finish off your Big Mac.

My point is that joining a facebook group to register your support for or against an issue takes so little effort as to be almost meaningless. I wonder how many people have notionally joined worthy causes whilst simultaneously viewing the latest 'Hitler-in-bunker Downfall parody video' or updating their crops on FarmVille. I therefore feel that journalists should also not attach too much importance to facebook groups.

A recent article in the University of Maryland's student newspaper (The Diamondback) noted that a student protest group on facebook 'grew to nearly 1,000 members'. Nearly? It didn't even get to four digits? If we assume that nearly all students have facebook accounts, then that 'nearly 1000' figure — and I'll be generous and round up to a full 1000 — represents less than 3% of the student population of the University of Maryland. Unsurprisingly, if the journalist had written 'less than 3% of students were bothered with this issue', this would not seem to newsworthy.

Here's another student newspaper article that also cites a facebook protest group that has ... wait for it ... 61 members! This isn't just an issue with small, student newspapers. Here's an article in the New York Times (via the Associated Press) that talks about a protest group on facebook for 'military spouses'. There are nearly 1.5 million people on active duty in the American military (not including reserves). I don't know many of those are married, and I also don't know how many of the married service men and women are on facebook. However many it is, I bet it is a lot more than then 1,200 people that the New York Times article draws your attention to.

Hopefully, I have made my point. These examples are not newsworthy. I could probably name 100 friends and colleagues who would all agree with me in that they oppose kittens being kept in saucepans for extended periods of time. I don't know if kittens-in-a-saucepan is a pressing issue or not. Whatever it is, it is not news. And yet, if I were to get those same people to join a facebook group with the same name, then it suddenly has much more chance (admittedly still not much) of being cited in a news article.

In closing, I would say that there are only two facebook groups that I would be happy to join:

1 million people (but preferably a suitably large proportion of the target demographic) to stop creating facebook groups that target 1 million people

and...

1 million people (but preferably a suitably large proportion of the target demographic) to stop journalists writing about facebook groups

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Posted 7 days ago

Five fingers, ten toes, and two ankles - running with Vibram FiveFingers

Last November I ran my first ever 10k race (The Davis Turkey Trot). I had previously run several 5k races and so I wanted to step up to the next level (this was necessary as I'm meant to be running the San Francisco half marathon in July). After running the race I experienced a lot of ankle pain, around the bones rather than the muscles, and I couldn't run again for a month. 

Since then, I have found that every time I try running more than 5k, the pain returns. This could be a new medical condition, or it could be due to me wearing the wrong type of trainer. I'm inclined to disbelieve the latter as I did get a proper fitting and advice from a running shop when I bought my running shoes. Another possibility is that it's something to do with my running style (or lack of).

When I researching into what remedies I could try, I started reading articles about Chi Running and also barefoot running. The principles behind barefoot running appealed to the scientist in me. It does make sense that, from an evolutionary point of view, our bodies have not evolved to run with a prominent heel strike. And then a few weeks ago, there was a paper published in Nature which gave support to the idea that barefoot running is a more efficient way of running which causes fewer 'collision forces' to the feet.

With some firmer scientific evidence in hand, I decided it was worth trying to see if barefoot running could alleviate my ankle pain. And so I ordered a pair of Vibram FiveFingers from REI and opted for the KSO model (Keep Stuff Out). I imagine that the Nature article has done wonderful business for Vibram as everywhere I looked, they were initially sold out. I had to wait for REI to backorder a pair but I finally managed to get hold of them yesterday. Here's what they look like:

They might look odd, but they feel very comfortable to wear. If you've ever used climbing boots, then you will be used to feel of a lightweight shoe which has a high-grip rubber soul. Actually, Vibram started out in the 1930s as a company that made the first ever rubber souls for mountaineering boots. 

The first thing to say about them is that they are hard to put on. I have big feet but my little toes are on the small side. It's a bit of a struggle to get each toe into each compartment. Once they are on though, they feel really comfortable. I spent yesterday afternoon wearing them about the house, trying to get used to them. After 30 minutes or so, I forgot I was wearing them at all. It's nice being able to grip things with your toes!

Today I tried my first run in them. You are warned to not start off running the same distances that you are used to. There is a good reason for this because you effectively need to learn how to run again. If you run in your normal style, your heels will hit the ground first. Without the thick, cushioned heel provided by normal running shoes, this is actually quite painful. Try it in bare feet and you will see what I mean. Instead, you need to switch to running so that you land more on the middle or front of your feet. This takes a little bit of adjustment. It also means that you start using your calf muscles in a way that you never do when you run normally. I ran for 5 minutes and then my calves were sore. This apparently is very common. I think it will take me about a month to get back up to running 5k distances without my calves hurting. Having said that, I would much rather feel the pain of my muscles working healthily, as opposed to the soreness of my previous ankle pain. I remain hopeful that these will help me run again without getting sore ankles. It's very early days, but I'm still hopeful that I will be able to get enough training in to run that half marathon in July!

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A faithful companion

When I work from home, my cat likes to keep me company. It's flattering that she likes to be with me, but it can sometimes get a little unnerving. She will sit at the edge of my laptop for long periods of time, remaining silent and quite motionless. Frequently, she appears to be staring at what I'm working on (I can hear the voice in her head saying "That's an interesting idea Keith; useless, but interesting".

From time to time she moves from the edge of the desk (a position which permanently blocks about a quarter of my laptop screen) to take up residence on my lap (a position that allows me to see the screen, but which no longer lets me type easily). She lovingly stays by my side without asking for anything in return ... except for bountiful amounts of food, and lots of stroking.

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My Life Revisited. Part 6: 1980

And what better way to start off a new decade than with a hand-me-down clunky looking, rust coloured cardigan? It’s the sort of cardigan that you expect to see being worn by someone in their seventies...perhaps with a pipe in their hand.

This picture would have been taken at the start of my last year in primary school. I still have a memory of being in an end of year (1979) assembly and knowing that when I came back to school for the next term, that the year was going to have a whole new number (8 rather than 7). When you have only ever lived in one decade for nine years of your life, the change of decade seemed like a big thing. This would be my first experience of being ‘one of the old guard’, the pupils who had been around the block and who knew everything...or who thought they knew everything. There were four years worth of younger pupils, who would look up at us 5th years with a mixture of awe and respect. This would of course all change (later the same year) when we took the big step up to ‘middle school’ and became first years all over again.

My hair has started to darken in this picture and the eighties would see me lose those locks of blonde hair, to be replaced with more of a mousey-brown shade. The two front teeth (with requisite gap between them) gave me the appearance of a chipmunk. I appear to have quite a cheeky smirk about my face which strikes me as a little unusual; I usually think of myself being more of the shy, retiring type back then. I guess I was still happy that I only needed one digit to represent my age.

I recall that I first starting wearing glasses about this time, but I obviously had decided not to wear them in school portraits (as some following blog entries in this series will attest to). I think I should add that it was around this time that I first started taking notice of popular music. One song that stood out in this particular year was Babooshka by Kate Bush. A couple of years earlier, I had been positively terrified by another song by the same artist. I have very strong memories of the wailing chorus of Wuthering heights causing me go wild with displeasure. On one occasion (presumably when we watching Top of the Pops), her performance literally made me beg my parents to turn the TV to another channel (and this was an era when you really did have to turn a dial in order to change a channel). I'm happy to say that I very much like the song now. I guess Kate Bush was the Lady Gaga of her age. All together now: "Heathcliff, it’s me, I’m Cathy...” 

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Posted 22 days ago

Oreo kisses

Yesterday, I was the lucky recipient of some home made Oreo Kisses. These are extremely healthy, and very good for you. At least that's what I'm telling myself. A big thanks to @fairymel for making them. Her baking and creative confectionary skills continue to get better and better.

             
Click here to download:
Oreo_kisses_tags_chocolate.zip (22410 KB)

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Number crunching the Winter Olympics and NBC

86: The number of years since the first Winter Olympics

84: The number of years since the first public television broadcast

$2.3 billion: The profit that NBC Universal made in 2009

3: The number of hours that I have to wait before NBC shows coverage of a Winter Olympics event

0: The time zone difference between where I live (California) and Vancouver

2012: The year when NBC's current deal for Olympics coverage ends.

$200 million: The amount of money that NBC expects to lose from covering the Winter Olympics

0: The number of tears that I will shed for NBC

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Posted 25 days ago

The running costs of taking running photos

Last weekend I ran a 10k race as part of the Davis Stampede. If you have ever run an organized race (5k and upwards) you will probably know that various photographic companies take pictures of you which they then try to sell to you afterwards. This is one of the unavoidable consequences of having to provide an email address when you register. Often these pictures capture you in a state of near death, with a pained expression on your face. However, today I received the following example pic in my inbox:

I quite like how this looks. This captures me crossing the finish line, which was the only time in the race that I actually sprinted. I really like how the photographer from brightroom.com caught me with both feet off of the ground. So for once, I was actually intrigued by the possibility of buying this photo. Being someone who lives very much in the digital age I am less interested in getting a framed print, but much more interested in buying a digital copy so that I can use it however I want. So how much does a single digital print cost? 

$28.99

Wow. I was shocked. Nearly $30 to email me one picture!?! If I actually wanted to receive the same picture on a photo CD, then the price goes up to $49.99...though as this is less than the $100 minimum for free shipping, I'd also have to pay shipping. If I wanted an actual hard-copy of the picture, the cheapest option starts from $13.99 for an unframed 5" x 7" print. I don't begrudge that brightroom.com has a right to make money from providing this service, but I don't think I would ever consider spending so much for a single image. Presumably they take thousands of photos at every event and these all need to be stored, backed-up, digitally processed etc. But even then, it just seems too high a price for a single picture...even if it does make me look more athletic than I actually am. Would you pay for a photo like this (not one of me obviously), and if so, how much?

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Posted 26 days ago

The slow death of bioinformatics and the eternal popularity of shoes

I was playing around with Google Insights for Search today and randomly decided to see how the search term bioinformatics has fared over the last six years (this is as far back as you can search for a trend). This is what I found:

Initially I was quite surprised by this and so I then performed a search for genomics, only to seem the same sort of trend.

According to Google the Y-axis of these graphs reflect  "how many searches have been done for a particular term, relative to the total number of searches done on Google over time" (emphasis on the word 'relative' is mine). This could just mean that the absolute number of search terms for 'bioinformatics' and 'genomics' is the same, or has even grown, but has been swamped by an increase in the frequency of all other search terms. To a lesser degree, there seems to be less searches occurring for many different biologically-related terms, e.g. here is the graph for the word biology.

On top of the overall declining trend, I like how you can clearly see a dip in the middle of each year. Presumably this is when millions of high-school kids take their long summer vacation and are therefore not searching about anything to do with school work. You can see similar annual 'wobbles' if you also search for chemistry or physics. So does this mean that all science-related searches are declining? Well, surely there is more interest in the newer fields of biology (and bioinformatics in particular) and the related technology. This does seem to be the case. Here is the graph for the search term 'next generation sequencing'. Clearly this term has exploded in popularity as the everybody moves to doing short-read sequencing as opposed to the traditional Sanger method.

So clearly, some topics are becoming hotter. However I still feel that the decline for the term bioinformatics might indeed represent a real decline in the whole field of bioinformatics. That is not to say that I think any less bioinformatics is being done these days, or that it is less 'worthy' as a field. Rather, I think bioinformatics has moved from being a specialist field that was carried out somewhat separately from 'traditional' wet-lab research, to something which is much more integrated with many other fields of research. There are still many dedicated bioinformatics group (the lab where I work is one such group), but I think it is increasingly common that more biologists need to (and want to) undertake some bioinformatics as part of their wider research. To me, bioinformatics has gone mainstream in biology and that means that it no longer makes sense to think of it as a separate field as such.

Anyway, regardless of whether any particular biological term is rising or falling in popularity, I think it is more interesting to see what search terms remain eternally popular. Despite changing governments, economic turmoil, and global uncertainty what is it that we search for with any degree of constancy? My first guess seemed to be a good one. So let me end by presenting the Google Insights graph for the search term shoes.

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Posted 26 days ago

My Life Revisited. Part 5: 1978 (again)

Following on from the last blog entry in this series, here is another photo from my seventh birthday, and this is the photo that provides the evidence that it really was a birthday party. Do take time to appreciate the cheeky- grin-towards-camera, from my friend Tony. You might be wondering whether such a photogenic young boy would grow up to become a male model? The answer is no.

Notice that there is a cake with seven candles, which cleverly has been made to resemble a clock face with the hour hand so cunningly pointing to the number 7. I wonder if I was old enough then to be able to tell the time properly. I do remember that we had lessons at school with a cardboard clock face that the teacher would hold up in front of the class. She would then pick on people to guess what time the clock was showing. There was a point in my life where I could tell the time only if it was it was a multiple of 15 minutes, and so I would be in fear in case she held up a clock showing something awkward like 7:35.

What other things can we learn from the photo. The colour brown makes another appearance, but this time as part of the crockery. I’m now thinking that our whole house was a shrine to brownness. Amazingly, I can tell you that my mum still has some of those plates. They’ve managed to survive 30 years of ‘accidents’.

The other part of this picture worth mentioning is in the foreground. It is a paper napkin featuring a popular children’s character. If this party took place in 2010 then we might expect to see Harry Potter or Optimus Prime maybe. But in 1978 we had the cool-beyond-doubt portrayal of Uncle Bulgaria from the Wombles. Yep, in 1978, if you had the Wombles feature at your party (albeit in badly inked pictorial form) then you were the coolest kid on the block...at least that’s how I remember. Ah, you gottta love the Wombles. All together now, “Underground, overground. Wombling free..."

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Posted 29 days ago