Here is one interesting contrast:
AT&T is the exclusive provider of iPhones:
Lines form at Apple and AT&T stores around the country on and prior to launch day, so that people have a shot to buy the $500-$600 device.
T-Mobile USA starts selling the first Wi-Fi cellphone service in the country:
Lines form after T-Mobile offers to give away the phone and offer the service free for a year to the first 100 people (wearing bathrobes) at stores in 11 cities.