Google's Postini Buy Threatens Microsoft

Google's July 9 acquisition of Postini is another clear sign that the search giant is staking a claim in the on-demand enterprise applications market and ratcheting up the heat in the already sizzling software as a service sector, especially against Microsoft.

With Postini, which began as an e-mail filtering company and evolved into compliance technology that enforces a company's communications policies, Google can now address the perception that its nascent portfolio of e-mail and messaging applications aren't quite ready for prime time. More>>