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Facebook may challenge Internet giants with Gmail killer
Facebook has been challenging the Internet giants since infancy. Now, at 400 million users and growing, it’s firing a salvo directly at Google and Yahoo: creating its own Web-based e-mail.

Read more: http://feeds.digg.com/~r/digg/topic/gaming_news/popular/~3/iNGumxA-AB8/Facebook_may_challenge_Internet_giants_with_Gmail_killer