LinkedIn Corp, whose professional networking site has 90 million users, fleshed out its IPO plans, saying it would raise up to $175 million as it looks to lay a path to sustainable growth in a fiercely competitive social networking space. The IPO will also be seen as a test of investor appetite for social networking websites ahead of a highly anticipated offering from Facebook, the social networking site that has more than 500 million users and has been valued at $50 billion. LinkedIn, co-founded in 2002 by ex-PayPal executive Reid Hoffman, announced its intention to go public on Thursday, but has not yet decided how many shares will be offered or their price range. [ID:nN27280116]
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