RT @WhatTheyKnow: Phone data can reveal symptoms of mental illness, movements in Dow, spread of political ideas http://on.wsj.com/gd7ERL
12:04 PM - 23 Apr 2011
0 replies
109 retweets
50 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.