Sony is also using SharePoint 2010's document management features to resolve the dreaded circle of confusion that comes with e-mailing documents.

"We've been preaching about sending links to each other instead of documents," says Whitmoyer.

One issue Sony is still has not worked out is how to accommodate mobile users who can't access SharePoint because it is only on Sony's intranet.

But this is not a problem on employees' personal computers because of , a feature that gives users offline access to SharePoint sites. Any changes made locally on a computer not connected to the corporate network will sync up with the SharePoint server, done either automatically or manually.

Sony is also considering , which includes online versions of Exchange and SharePoint, so that mobile users and even customers can share documents online.