Facebook Introduces Caller ID, Dialer App for Android Phones

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Facebook Inc. is testing a new application that will act as a caller ID and allow users of the social network to block calls on their mobile phones.

The app, called Hello, will gather information that has already been shared on Facebook. That enables users to see details about callers who aren’t saved in their phone contacts, the Menlo Park, California-based company said Wednesday in a blog post.