By Reed Albergotti
The Wall Street Journal
Originally published June 30, 2014
Here is an excerpt:
The research, published in the March issue of the Proceedings of the National Academy of Sciences, sparked a different emotion - outrage - among some people who say Facebook toyed with its users emotions and uses members as guinea pigs.
"What many of us feared is already a reality: Facebook is using us as lab rats, and not just to figure out which ads we'll respond to but actually change our emotion," wrote Animalnewyork.com, a blog post that drew attention to the study Friday morning.
Facebook has long run social experiments. Its Data Science Team is tasked with turning the reams of information created by the more than 800 million people who log on every day into usable scientific research.
The entire article is here.