This is intended to keep your work interactions separate from your personal ones. In theory, you could use the existing Facebook product to build a group for communicating with your colleagues. But posts from that group would appear in your News Feed alongside your personal posts, and connecting with colleagues would likely mean sharing other parts of your personal life — like photos — along the way.

Facebook at Work separates those two worlds.

One tool the service doesn’t have — at least not now — is a document sharing feature, à la Google Docs.

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