Comscore reports that mobile data usage is up 51% over the past year. They have it broken down by Browser, SMS, and Downloadable Apps.
Subscribers Accessing Local Mobile Content* by Access Method, Three-Month Average
| March '08 | March '09 | % Change | |||||
| Any access method | 21.5 | 32.5 | 51% | ||||
| Browser | 15.4 | 20.7 | 34% | ||||
| SMS | 6.8 | 11.7 | 72% | ||||
| App downloaded to phone | 6.2 | 11.3 | 83% |
* Local content defined as searching for information on maps, movies, business directories or restaurants
(US Mobile Subscribers Age 13+)