Facebook spends $50,000 of Microsoft's money on investor's nightclub

Microsoft's $200 million is not all going to buy servers, as Mark Zuckerberg would like you to think. He splashed out $50,000 to rent Pangaea, an Austin nightclub, for the week, or so a doorman said as he turned away a local the other night. Pangaea is part-owned by Ken Howery of the Founders Fund, a Facebook…