It would seem anyone can come in and inactivate your campaign by doing a site scan for keywords and bidding $5 and $10. They are doing this to me now and Google has yet to respond. The even targeted my name which should be a violation of Adwords terms. I have more posted at rncin.com.
I have had lots of advertisers use my company name as one of their keywords and there is little that you can do unless you want to take lawyers and then you will have the odds against you.
Flaw in Adword system can put you out of business
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