Foursquare has issued a fairly significant update to its iOS client today, bringing the app to version 6.4. The update includes a number of improvements, including new UI and an all-new 'Nearby' button.
But easily the biggest addition to Foursquare 6.4 is the new Real-time recommendations feature. With it enabled, the app will send you useful location-based information, like current specials at a restaurant...