Ford Motor Co. is adding Twitter messages and Internet radio to its in-car entertainment and communication service, known as Sync.

Ford hopes to entice consumers who are adept at using mobile applications on their cell phones. But CEO Alan Mulally told an audience at the International Consumer Electronics Show that because Sync is voice-activated, it’s safer for drivers than using their phones in the car.

Ford executives said that Sync will begin working with Internet radio services Pandora and Stitcher. It also will connect to OpenBeak, which can read your or your friends’ Twitter posts out loud.

Executives said Ford is talking with Google Inc. about bringing its services to cars as well. Ford Sync was developed by Microsoft in 2007.

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