Obesity may be rising, but people have very muscular and agile thumbs. Strangely, this seems to be causing problems in some because the thumb did not evolve with such a load and is being put under stress from all of these new movements, leading to circulation problems and the like.
I rarely text. I just can't be bothered when it's usually easier to call.
On an (even more) off topic side note, I've just installed Firefox 2, and this inline spellchecker is fantastic!
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ThomsonsPier
War. It's fan-tastic!