Last fall, Waze announced an integration with Facebook to allow users to log in to the app through their Facebook account.

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Sites that use Checkout allow online shoppers to log in with their Google account information.

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An employee is able to have a secure group that is open to channel partners or vendors and some of the recruiting and hiring teams have opened it up to allow some of the candidates to log in with their Facebook or Twitter account.

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Aflac, a big American insurer, has developed several apps that allow members of its sales team access to customer data and claims records without having to log in from a desktop computer.

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