Digg is in talks to buy companies CoRank and Meneame, says the Social News Insider. Meneame is a popular Spanish-language Digg clone. On CoRank, users can set up their own versions of the headline discussion-and-ranking site based on topics of their own interest. Digg has not yet responded to requests for comment, though it's possible cofounder Kevin Rose is waiting for his hair to grow out before making any major announcements.

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