I tweeted a stat this week which garnered some sharp critiques:

1 in 4 U.S. internet users track their own health data online – @pewinternet pewrsr.ch/khtiMB #healthdata

— SusannahFox (@SusannahFox) June 5, 2012

Please help me improve how Pew Internet measures “self-tracking” as an online activity. Read and comment on this post: Unpacking self-tracking. Yes, it’s a new blog (beta, so suggestions welcome).