http://www.lockergnome.com/social/2012/01/12/how-to-collaborate-with-google-docs/ - Google Docs, while being an excellent alternative to the Microsoft Office suite, has the added benefit of allowing users to collaborate on documents, spreadsheets, and presentations in the cloud with other users. This can obviously be quite useful to everyone from production team members pitching in on a single task from home offices across the globe to students on opposite sides of campus working together on a project.
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