So if, for example, you’re looking at a picture of a model wearing sunglasses and holding a handbag, Google may be able to display links to buy the bag and glasses, or at least a pair that’s similar to them. There are a bunch of constraints on how this works right now, but the implication is that this will eventually expand in a big way. At the moment, the shopping suggestions will appear in mobile searches and inside the Android search app. And they’re only supported for a few categories of products: handbags, sunglasses, and shoes. Other clothing will be added in “the next few months,” as will home and garden products. The shopping results are formally being called “similar Items.” Get the full story at The Verge Read also "How visual search is helping ecommerce brands" at Econsultancy