• Facebook accepted a $200m investment from Digital Sky Technologies, a private Russian internet investment group, valuing the fast-growing social network’s preferred stock at $10bn. The unlikely union gives Facebook an additional cash cushion, but the $10bn valuation is a come down. Just a year and a half ago, Microsoft invested $240m on similar terms, but valued Facebook’s preferred stock at $15bn.
• Psystar, the Florida company that was making unauthorised clones of Apple computers, filed for Chapter 11 bankruptcy protection. The move puts at least a temporary end to Apple’s lawsuit against the company, and could indicate that Psystar’s backers have pulled out, anticipating a victory by Apple in court.

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