Have you seen Google's new Terms of Service?
Don't misuse our Services. For example, don't interfere with our Services or try to access them using a method other than the interface and the instructions that we provide.It seems this would make all the various keyword software programs that access their site a violation of their TOS. Maybe that's against the old TOS as well, I don't know.
[emphasis mine]
Just thought I'd throw it out there for comment.
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