The year in review: Top 5 stories of 2009

December 7, 2009, 1:20 AM PST | Length: 367

What were the top five stories that shaped 2009? From the launch of Microsoft's Windows 7 OS, to the departure and return of Steve Jobs to Apple, ZDNet correspondent Sumi Das and senior editor Sam Diaz share their views on the tech news that mattered most.