GigaOM Pro

The biggest flop of Digg's relaunch was a failure to communicate with its long-time user base.

Digg's recent redesign has caused a major revolt among hard-core users of the service, many of whom have deliberately attacked the site and tried to drive other users away. It's another sign of how fickle social media can be, but also of how important it is to communicate properly with your users when undertaking large-scale changes.