Facebook's Paper is just the latest in a crop of news reader apps to hit smartphones. Curious about the rest? Here's what you need to know.
Digg has been around for years, relying on the participation of its readers to submit links and vote on stories to determine what news is the most important.
But after being acquired by Betaworks a couple of years ago, the company took that central philosophy and made it cleaner and faster. The app is a perfect representation of Digg's evolution during that time.