The US mobile industry’s trade show CTIA in San Francisco closed in better spirits than for some time. More parties, higher spending and much more realistic expectations were much in evidence - so perhaps the hangover of the 1990s bubble has worn off. This Fall's gathering took place amidst the usual predictions that the wireless telcos are doomed, because they're debt-laden dinosaurs who don't understand how to do data. In fact the cellular carriers are in many cases debt-laden dinosaurs who don't understand how to do data. But it doesn't necessarily follow that they're doomed.