Ellis Hamburger tests out the new Foursquare, which can help you find the best places to eat, drink, and hang out nearby. Foursquare 8.0 ditches check-ins but adds Tastes, a new way to to tell the apps recommendation engine about your favorite things. The next time you open the app, you might find that secret mac cheese place is right down the block. Personalized recommendations are a lot easier said than done, however. Does the new Foursquare come through on its promise?