The fact that Microsoft is not calling it Service Pack 1, and the way Microsoft is positioning and deploying Windows 8.1 is significant, though.

FORBES: With Windows 8.1 All That Is Old Is New Again

Steven Levy (Newsweek) suggests that Google Pack helps Microsoft because it's basically a service pack for Windows.

ENGADGET: Live coverage of Google Keynote with Robin Williams

Steven Levy from Newsweek challenges Larry that Google Pack helps Microsoft because it's basically a service pack for Windows.

ENGADGET: Backstage at the Google press conference