A new Amazon feature first spotted by TechCrunch helps anyone with an iPhone find odd parts that might otherwise involve a trip to the hardware store. Called “Part Finder,” Amazon‘s new tool is one of the more useful computer vision tools to date. It takes advantage of the iPhone‘s excellent optics to scan, measure, and identify all types of fasteners or other pieces of small hardware. One found, the app asks for some additional information — screw type, head style, and drive type: Phillips, flathead, etc. — before leading you to the appropriate product on Amazon. To get to the…

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