Facebook Is Making Us Miserable

When Facebook was founded in 2004, it began with a seemingly innocuous mission: to connect friends. Some seven years and 800 million users later it’s fast becoming the dominant communication platform of the future. But this new world of ubiquitous connections has a dark side.

http://blogs.hbr.org/cs/2011/12/facebook_is_making_us_miserabl.html