After countless IM conversations about where we should eat lunch, my coworker, Bret Morris, and I figured out the perfect solution: Squaremeal. This iPhone app pulls in a user's Foursquare checkin history and offers a random restaurant in a set radius from their current location. It's perfect for indecisive types or anyone who likes rediscovering old favorites. Squaremeal is currently in development; stay tuned.