Half of US cellular subscribers own smartphones: Nielsen
The smartphone juggernaut continues in the U.S. According to a new Nielsen report, 49.7 percent of mobile subscribers owned smartphones as of February. That's up from 36 percent a year ago. Two-thirds of those who got a new phone in the last three months ...http://www.nbcnews.com/technology/technolog/half-us-cellular-subscribers-own-sma...




