Possibilities with a mobile phone now are endless, GPS is now highly common on smart phones, and have become very popular of recent times, with thanks to services like Google Maps and Nokia's Ovi Maps. They offer up features such as free turn-by-turn voice guidance (software dependent) and 3D rendering of cities and directions to and from points of interest. Android phones offer the latest versions of Google Maps, but there are plenty of devices to choose from. Street View from Google Maps is a highly rated feature transferred from the desktop version, and enables users to physically "be in" the street they are looking at, not just a birds-eye view. You can even take part in Geocaching, which is an outdoor sporting activity in which you use your GPS enabled mobile phone to hide and seek containers called “caches” anywhere in the world. You won't go round with a GPS mobile phone.