The many funny faces of Steve Ballmer (photos) Summary: In Steve Ballmer's 13 years as CEO of Microsoft, we've seen that he's not afraid to attract attention - and he's not afraid to clown around. By Andy Smith | August 23, 2013 -- 18:18 GMT (11:18 PDT) Previous | Next Image 13 of 27 In 2007 Ballmer called out Red Hat, specifically, for allegedly infringing on Microsoft IP. Ballmer made headlines and many enemies in 2001 when he described Linux as a cancer. But by 2006 he even made deals with Novell. Shown here with Yahoo's Carol Bartz, Ballmer said that no one quite gets the software giant’s search deal with Yahoo. In looking back, Ballmer said he was lucky when Microsoft's bid to buy Yahoo fell through. Topics: Steve Ballmer: The Exit Interview, Microsoft Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.