ComScore: Smart phone use explodes with more texting, social networking

Smart phone sales have exploded in recent months, with the number of users reaching 43 million in January, up 18 percent from October, according to survey firm comScore. Users of these Internet-enabled devices are texting more than ever (63.5 percent in January compared with 62 percent in October) and increasingly using their phones to access Facebook, Twitter and other social networking sites (17.1 percent vs. 13.8 percent), according to comScore. Almost two out of 10 users are downloading apps on their mobile phones, and 28.6 percent are using Web browsers on their phones.