Productivity +3 Pro
334.0K 0 1
Productivity +2
11.8K 2 2
Task Management +1
4.2K 0 1
3.6K 0 3
3.1K 0 0
Task Management
2.5K 0 1
Personal +1
2.3K 0 1
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.