For about the last 15 years, dealers at sports card shows have had to compete with what collectors can get the same item for on eBay. Collectors with a smartphone and a little patience no longer have to wait until they get back to their PC or laptop to compare prices. It's often right there on a mobile app. Now, eBay is almost ready to add image-recognition technology to its mobile platforms. It will give shoppers the ability to take photos of the items they're looking at and have eBay instantly show matching results from its millions of listings.
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