Steemit users publish a blog post—it could be any length, any topic at all—and other users can “upvote” it. The twist: Every upvote represents a small amount of steem power. Think of steem power as a representation of influence, because the more you have, the more power your upvote has to move someone else’s post up when you upvote it. Steem power can be converted to steem dollars
Steemit, a self-described "blockchain-based social media platform", has seen this level of notoriety in just its first few months of operation