Mobile Marketing
Popularized by American Idol voting - which produced over 78 million texts last season alone - brands everywhere are now launching keyword campaigns to capitalize on the instant visibility and feedback that SMS generates. Here are some eye-opening facts & statistics:
Percentage of people who text on a regular basis. 
- Mobile marketing is the fastest growing advertising medium in the world
- SMS messaging is the most widely used mobile data service on earth
- The world averages 1/4-trillion mobile-originated text messages each day
- SMS usage triples that of MMS or WAP formats
- In the month of Dec of 2007, Americans sent over 30 billion text messages
- Text messages have a 95% read rate
- 23% of SMS campaign messages are forwarded from consumer to consumer
- SMS usage is skyrocketing in all age groups, with 25-34 year-olds showing the most rapid growth
- Verizon Wireless alone delivered 58 billion text messages during the 1st quarter of 2008