Evan's post on HP
patents had this trailer:
"1 in 3 Bargain Toners
Leak, Streak or Fail. Buy Original HP Toner
I had the same ad placed on the top border of my emails in my gmail account, which I immediately canceled when I saw what they are doing.
Google has a pretty tough process to use to send criticisms / demands. You have to work through their troubleshooting maze, but once done you can provide input. Their instructions for sending them gmail complaints is: (SEE THIS