Washington: A new app has been launched that can stop people from making ill-advised drunken phone calls, by forcing them to solve complex math problems.


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The free mobile app allows users to block contacts for up to 12 hours as a precaution,as eported.


Other functionality offered by the app includes the " Bread Crumbs " mode, which uses GPS to track the movements of the phone user.


Fellow Drunk Mode app users can also use the app to find one another.