Google (GOOG +1.9%) logs its biggest sale for its Google Apps platform with a deal to supply...

Google (GOOG +1.9%) logs its biggest sale for its Google Apps platform with a deal to supply General Motors (NYSE:GM). Covering more than 100K employees, the pact may represent a major step in Google's challenge to Microsoft (NASDAQ:MSFT) in application software - and, for GM, a move away from its more traditional groupware, Lotus Notes (NYSE:IBM).