Historic Crowdsale: Reputation 101: How Augur's Reputation Tokens Work (youtube.com)
Augur's Reputation Token crowdsale begins on August 17th, 2015! The official sale page is http://sale.augur.net and full instructions and details can be found at http://www.augur.net/blog/the-augur-c....

The essential element that will allow Augur to be the first fully decentralized prediction market is Reputation. Reputation Token holders are responsible for truthfully reporting on event outcomes and are what allows Augur's decentralized oracle consensus to exist.