Its penetration in the U.S. is estimated at 18%, and it seems that everywhere you turn, people are using their smart phones in new ways and in new places. Samsung recently estimated that it expects 500 million global smart-phone users by 2012. Actual phone calls are becoming extinct compared with handheld texts and email messages -- whoever thought people would prefer typing to talking? But the evidence appears to say they do.
Do you check your smart phone all of the time in inappropriate places?
Where is this all going? I would rather talk than type to someone.