The referral community
Invitation App is a social network where people post their referral codes and collect rewards on autopilot.
discover and share
Digg was a place for people to discover and share content from anywhere on the web. From the biggest online destinations to the most obscure blog, Digg surfaced the best stuff as voted on by our community.
Revision3, a Discovery Digital network, is a place for fans who love tech, games and all-things-internet. Watch videos from Tekzilla, Film Riot, Anyhoo, SourceFed and more.
Evernote for the web
Kippt (YC S12) is a social knowledge management platform. Individuals and companies can collect and share the knowledge they research, and discover new valuable information from the community. The platform is already helping and saving time for wide-range of ...