Mobile data services are on a stellar growth curve in Europe, with the region adopting 3G faster than anywhere else in the world, and research now claims the cost of data roaming is coming down too. According to statistics released by IT consultancy AT Kearney, the EU's mobile data market, excluding text messaging, grew by 40 per cent to €7 billion in 2007 as operators invested more than €20 billion in their mobile networks and services. Article