Nicole Wahl, a 35-year-old communications manager at the University of Toronto, estimates she talks on her phone only about 10 minutes a month. “The only reason I ever call someone anymore is if I don’t have their Twitter handle or e-mail address,” Ms. Wahl said. “Like my hairdresser to see if she has a last-minute appointment or my parents to say I’m dropping by.”
Cellphones Now Used More for Data Than for Calls – NYTimes.com
The main reason I put up with AT&T’s network is because mobile data is more important than voice on my iphone.