Facebook makes announcement at its headquarters on Wednesday . The company said it would be making a number of changes to the way it handles user data and that users will have more control over how their information is used. Foursquare , Gowalla and other services to enhance their integration with Facebook . Feature available immediately in the United States ; more countries to come .
Facebook makes announcement at its headquarters on Wednesday . Company debuts location-based feature like Foursquare or Gowalla . Foursquare , Gowalla and other services to enhance their integration with Facebook . Feature available immediately in the United States ; more countries to come .