T-Mobile USA, Inc. and Samsung Telecommunications America (Samsung Mobile), the No. 1 mobile phone provider in the U.S. today announced a new lineup of full QWERTY-keyboard phones available in unique designs to suit each customer’s messaging preference, including two next-generation Samsung Gravity phones — Samsung Gravity 3 and Samsung Gravity T — and the Samsung :) (Smiley).

More and more families are finding that text messaging is one of the best ways to communicate.. In a March 2010 internal survey, close to 70 percent of T-Mobile customers indicated that they had used text messaging to stay connected at least once within the prior 7 days…