What a poorly-chosen title. It took me a while to realize that "gears" is the verb; it's not about Google Gears. Non-title capitalization could have avoided the ambiguity.
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Anyway, I've never had any luck with google. Yahoo charges me 0.10 dollars for certain keywords, while google wants 0.50. Sorry. Not worth it. It's probably just a quirk, but as far as I'm concerned, google doesn't exist in the ad sphere.