http://www.infosyncworld.com/news/n/9462.html
The new Apple iPhone 3G is also claimed to make it easier to multi-task with simultaneous voice and data communications, so with iPhone 3G you can browse the web, get map directions, or check your email while you are on a call. The Apple iPhone 3G will also get real GPS, along with GPS tracking in navigation apps like Google maps, a long-awaited feature.