The year in review: Top 5 stories of 2009

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.

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.

The year in review: Top 5 stories of 2009