People Upgrade Cellphones Every 18 Months On Average

An interesting consumer spending stat: People upgrade their phones once every 18 months now, up from 16. That's a curious number, possibly averaging out people who upgrade yearly with people who only upgrade when their cellphone contract runs out. Otherwise, I can't see that the majority of folks feel like they need… » 2/25/11 5:19pm 2/25/11 5:19pm