The budding business model for Foursquare is local ads through geo-targeted offers. When you check into a bar or restaurant, you might get 10 percent off your meal, or maybe a free drink if you are the mayor (it’s good to be the mayor). But how do you find all of these venues on a map. On the the Foursquare iPhone app you get a list of nearby venues, but that is it. Not even a… → Read More