Links:
[1] http://www.edutopia.org/sara-ring
[2] http://www.usatoday.com/tech/news/2003-02-14-messaging-linguists_x.htm
[3] http://findarticles.com/p/articles/mi_qa5369/is_200711/ai_n21298339
[4] http://www.nytimes.com/2008/03/09/business/09cell.html?pagewanted=1&_r=1&sq=text%20message&st=nyt&scp=5
[5] http://www.msnbc.msn.com/id/16790277/
[6] http://www.edutopia.org/ringing