Last modified: 2012-04-12 04:32:39 UTC
If you click on the MapQuest link, the OpenStreetMaps link on the 'Nearby' page, or any of the links in the about page, you get trapped in that website until the app is force-killed, or the phone is rebooted. iPhones have no inherent back button, so one must be placed in these situations.
Fixed in 682e6244315f593717fff6327dea2dc14b1e7dd7