Professional social network Linkedin surpassed Myspace in terms of traffic to become the No. 2 most visited social networking site in the U.S. in June. LinkedIn, which has seen a resurgence of traffic after its IPO in May, reached an all-time high of 33.9 million unique visitors in June compared to Myspace, which saw 33.5 million unique visitors (that's down from 34.9 million in May). Hopefully Myspace's new owners can recharge the troubled social network.

Twitter posted record U.S. traffic, w [...]

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