If last week the world was all atwitter over Twitter (and the capture of Osama bin Laden), this week it has goo-goo-Googley eyes, thanks largely to announcements coming out of the Google I/O conference. But new Google operating systems and music services weren't the only news. Microsoft swallowed Skype for more than $8 billion, making it the most expensive video phone call in history; Fortune magazine revealed more juicy secrets about the CEO known as Jobs; Silicon Valley's most notorious insider trading scandal concluded with a rash of convictions; and Facebook proved that being worth $70-odd billion doesn't necessarily mean you're very smart. Are you brighter than the world's biggest social network? Prove it by acing our quiz. Each correct answer is worth 10 points, and no calling quiz insiders for tips. Now begin.
1. Microsoft just bought Skype for $8.5 billion, marking the biggest single deal in the company's 36-year history. What was its second biggest deal?
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