Or is it better to use social bookmarking sites like Digg, which promote stories based on user votes and interest?

FORBES: The Best Of The Digital Download

In the past few years, it has closed down under-performing and non-core sites like social bookmarking service Delicious, search engine AltaVista, online news aggregator Buzz, and social network MyBlogLog.

FORBES: Don't Expect Display Ad Decline To Last Forever At Yahoo!

For the first time, the site has seen more visits than "social bookmarking" site Digg, which allows users to share links to sites.

BBC: Tweet smell of success over Digg