The Metropolitan Transportation Authority and its various divisions, including New York City Transit, the Metro-North Railroad and Long Island Rail Road, will begin monitoring social media to detect problems and improve service.

It's no secret Twitter users post more often when there's major news, but researchers at MIT's Senseable City Lab have discovered another interesting dynamic. Tweets tend to become shorter during big events, suggesting Twitter users fall into an "episodic" cognitive state, versus the more contemplative or narrative frame of mind they inhabit during normal events.

Not sure if it's true or not, but it's just too hilarious to ignore. Selfies may be to blame for an increase in the incidence of head lice among teenagers, according to Bay Area culture blog SFist, citing workers at a local de-lousing salon called Nitless Noggins.

The evidence keeps piling up, as more studies confirm that U.S. Hispanics lead the general population in social media, mobile and e-commerce adoption. Some 80% of U.S. Hispanic adults use social media, compared to 72% for the country overall, with 68% of U.S. Hispanic adults saying they used Facebook, Twitter or similar platforms, compared to 58% for the U.S. population.

In an age when every big brand seems to be falling over itself to build up its social media fan base and produce viral videos and tweet funny during the Super Bowl, a little contrary opinion can be refreshing. In this case, the "pause that refreshes" comes courtesy of Coca-Cola, which is mocking us like mangy dogs for our collective social media addiction.

Hispanics are more likely to use social media than the rest of the U.S. population. Overall 80% of U.S. Hispanic adults use social media, compared to 72% for the country overall, including 70% for non-Hispanic whites and 75% for African Americans.

Although Ukraine and Venezuela are getting the lion's share of Western news coverage, some of the most innovative uses of social media are in Thailand, where anti-government protesters are targeting financial interests associated with the current regime.

Social media is a great channel for disseminating information, which also means it's a great channel for spreading disinformation. To combat the spread of lies online, academic researchers are working on a social media lie detector.

Americans love social media, but they don't consider it a reliable source of information when it comes to buying cars, according to new research. That's in contrast to car buyers in other countries, for example China, where social media is a major influence on car-buying decisions.

Cyber-bullying is a major online problem. While 31% of teens reported being the victim of online bullying, only 41% of these have told an adult. And, per a recent Cox survey, one in 10 reported having bullied someone online.