The Spanish town of Jun uses Twitter to connect its inhabitants with public services – allowing them to make doctor’s appointments and report crimes through the social network. The mayor adopted the platform in a bid to increase transparency and shrug off the former bureaucratic system.

Twitter has partnered with American music chart company Billboard to create two real-time music charts based on social media mentions. Though the music industry must adapt to survive, can a social media chart really represent an artist or song's popularity authentically?

Has social media killed the art of conversation for teens? Not according to author, social media expert and youth researcher danah boyd - who says it's "nothing more than a release valve to changes that have happened in the real world." We caught up with her to learn more.

Over half of us use a mobile device while we watch TV - so second screens are becoming the norm. As a result, a research paper called A Year in the Life of TV has found that Twitter, not ratings, might actually the best way to measure a TV show's popularity.