A9.com Maps: Picture This

Rob Hof

Just as maps are becoming one of the Web's prime places for innovation to flower, Amazon.com's A9.com is joining the fray. On Monday night--actually Monday afternoon, if you happened to stumble across it--the Web retailer's search site officially took the wraps off A9.com Maps. The new feature combines A9's Block View photos, developed for the Yellow Pages service it announced in January, with maps from Mapquest.

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