Show HN: How did I end up wearing 3 health trackers? (aismail85.tumblr.com)

Dear HN,

I'm a total geek which is hugely into sensors. Did my PhD into that domain and now I'm playing around with 3 devices: BodyMedia, Jawbone UP and FitBit. Here's the first of a longer series that compares them and shares my daily experiences. #quantifiedself