Forward slashes and Percentage signs in Advertisements

Thanks to George for the article below:

We had a problem last month where advertised programs stopped getting pushed out

http://social.technet.microsoft.com/Forums/en-US/configmgrswdist/thread/087262f4-18e8-46a0-876d-77027b5a74ce/

Anyway, the upshot is do not use forward slashes and percentage signs in advertisement names. They are special characters in SQL and mess everything up!