Facebook is number one, but its popularity is shrinking, according to a new study on teenagers' use of social media. This is more evidence of a "teenager problem" that Facebook seems to be battling.

Facebook is the dominant social network in the United States these days, in terms of users, but there's a battle underway for the number two slot, a n...

A futurist once told me that Facebook and Twitter will be gone in 20 years. As I wrote previously, Johannes Koponen cited "technological advances, ...

Whether they had a falling out with a friend or were seeking revenge against someone who shared a similarly bad picture, one-fourth of women admitted ...

A new study suggests half of all American adults are now on social networks. In fact, out of American adults who use the Internet, Pew found that near...

If Facebook were a country, how big would it be? What proportion of gay couples meet online? How big of search engine is YouTube? This video created b...

"Is Social Media a fad or the biggest shift since the industrial revolution?" asks this new video based on Erik Qualman's book Socialnomics. Althou...