Google has made some under-the-hood changes to its Google Docs product, promising faster service and real-time collaboration tools.

The changes address many of the demands of Google Docs users for more speed and better compatibility with offline products like Microsoft Word and Excel, said Jonathan Rochelle, group product manager for Google Apps. Google's Dave Girouard, president of the Enterprise group, is expected to introduce the changes at Google's Atmosphere conference Monday in Mountain View, Calif.

Google has had some success getting companies to switch to its suite of Web-based office productivity software, but there's still an awful lot of corporations using the tried-and-true desktop-based software. But Google's long-term vision of computing is based around the notion that the Web and the browser become the primary vehicles for applications, and Google Docs is an important part of realizing that vision.

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