FRONTLINE explores how the perennial teen quest for identity and connection has migrated to social media - and how big brands are increasingly co-opting young consumers' digital presences.
Every minute, the world's 2 billion Internet users upload staggering volumes of data to the web: an estimated 200 billion emails, 48 hours of YouTube videos, 684,478 posts on Facebook. And then there's Tweets, Instagram photos, text messages and blog posts.