Foursquare has released an update to its iPhone and iPod touch application, adding a new to-do list and expanding the integrated maps feature. The Foursquare app allows iOS device users to connect to the popular location-based social networking service, easily check in at nearby venues using their device’s GPS and see and share commentary on venues with their friends. The new To-Do List section in Foursquare 2.0 allows users to quickly see a…
