689,003 People turned into lab rats on Facebook without consent
Well they have done it again at Facebook messing with people’s minds, allowing researchers to conduct an experiment on 689,003 English speaking users during Jan. 11 to Jan. 18, 2012. The experiment was posting comments and photos that were more positive or negative to see how people react.
The study is here: National Academy of Sciences
A more in-depth version of the story is here: Computer World
Please people wake up to what facebook is doing to you!