Below are a number of good resources by the Mobile Marketing Association (MMA):

PRIMER, INTROS, ETC.

Ø Understanding Mobile Marketing: Technology & Reach*
http://www.mmaglobal.com/uploads/MMAMobileMarketing102.pdf

Ø Introduction to Mobile Search*
http://www.mmaglobal.com/uploads/MMAMobileSearchIntro.pdf

Ø Short Code Primer*
http://www.mmaglobal.com/shortcodeprimer.pdf

GUIDELINES

Ø Consumer Best Practices*
http://www.mmaglobal.com/bestpractices.pdf
(Recently updated on July 16, 2007 to include guidelines for marketing to children under the age of 13, guidance on opt-in and opt-out via IVR (interactive voice response, and mobile web experience, and other).

Ø Mobile Advertising Guidelines*
http://www.mmaglobal.com/mobileadvertising.pdf

Ø Code of Conduct for Mobile Marketing
http://mmaglobal.com/modules/content/index.php?id=5

GLOSSARY

Ø Mobile Marketing Industry Glossary*
http://www.mmaglobal.com/glossary.pdf

*To open documents: Left click to open, or right click and “Save As” to save specific file.