
Google has stepped up its data battle with Facebook by blunting the social networking site's app on its phones.
An update for its latest mobile operating system will see users' Facebook contacts disappear from the phone's address book.
Google said it took the action as it was no longer willing to exempt Facebook from its data-sharing rules.
The decision has been seen as indicative of growing tensions between the two internet giants.
The contact-altering update applies to the Gingerbread version of Google's Android mobile operating system - currently only available for the Nexus S and Nexus One handsets, which are manufactured for Google.
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