Stronger marks, which receive stronger protection, include fanciful or arbitrary marks like Google or Pepsi. Merely descriptive marks receive the least protection unless a secondary meaning is acquired, like General Motors, Bank One, and General...
Coined marks are fanciful, made-up, or arbitrary words.such as Yahoo and AltaVista.are ambiguous trademarks. There's a lot of money behind strong marks, and it could be really deceptive to use it in an improper way.
There's no grammatical reason to repeat the exclamation or question marks. Them Exclamation Marks! As I've written before, I feel exclamation marks are a useful part of written language, have a role and really shouldn't be excluded from ad copy...
