again with my technology hw... what is a head-on collision?
http://www.cashcrate.com/index.php?ref=4685 <<<<just go there for some free money and this will answer yo question
* A study of radio, television and print media for the purpose of reaching the optimal consumer audience.\n      www.motto.com/glossary.html\n\n    * Marketing research that focuses on issues of media selection and frequency.\n      www.glencoe.com/sec/busadmin/marketing/dp/ad_serv/gloss.shtml