Last week’s coverage of Google’s Goog-411 billboard in Olean brought forth a number of other sightings of the billboards in San Francisco, Oakland and San Jose, Ca. & Tonawanda , Buffalo and Limestone (even smaller than Olean) NY.

While there may be others yet to appear and more billboards coming from Google, the very specific geographic clustering of the billboards in Western New York and the greater San Francisco area speak against Valleywag’s speculation that the boards were surplus from a Google experiment in brokering billboards.

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