Obama, Hunger Games, Whitney Houston nab 2012 Social-Media Honors

Published On: Dec 12 2012 05:46:11 PM EST   Updated On: Dec 12 2012 03:12:22 PM EST

As 2012 comes to a close, top social sites are remembering the year that was. On Twitter, President Barack Obama's "Four more years" tweet became the most popular post of the year—and of the 6-year-old site's history—with more than 760,000 retweets