T-Mobile has a policy of <A HREF="http://www.gearlog.com/2007/01/tmobile_disses_opera_says_get.php">banning third-party applications</A> from accessing the Internet on their phones. This means T-Mobile users are prohibited from surfing the Web with Opera Mini, checking maps on Google Local for Mobile, listening to podcasts with Mobilcast, and using any other form of software not pre-approved by T-Mobile.