Communication +1
10.9K 0 0
Customer Support
2.1K 1 0
2.3K 0 0
11.0K 1 5
Customer Support +1
5.2K 0 3
Communication +3
10.3K 4 5
SMS was the most widely used data application, with an estimated 3.5 billion active users, or about 80% of all mobile phone subscribers at the end of 2010.