We already know that Facebook is the web's biggest time sink. If you look at the average amount of time (according to Nielsen) users spend on the social network, Facebook is a clear winner over sites such as Google or Yahoo.http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA http://feeds.feedburner.com/~ff/rss/...FA:V_sGLiPBpWU http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs http://feeds.feedburner.com/~ff/rss/...FA:gIN9vFwOqvQ
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