Try it on, virtually (虚拟地). Want to shop online for a new pair of eyeglasses? You don't need to guess which pair looks best on you—use the eBay Fashion iPhone app(程序) to try a pair of eyewear you're checking out on a picture of your face. But what if you want to buy something bigger? Thanks to Microsoft Kinect's motion tracking camera, you can cover clothes on your screen body.

　　You can even choose the background of your virtual fitting room to enrich your shopping experience.

　　Get a perfect, custom fit. Everyone's body is shaped differently. To get a perfect fit, you sometimes have to get your clothes changed. But by using 3D scanning technology, all the clothes you buy will fit your body perfectly.Some companies scan your body using High­tech to get the most accurate measurements,

　　so they can make special clothes just for you.

　　High­tech shopping carts and checkout counters. Hightech shopping carts could, in time, be a common sight in malls and supermarkets. Microsoft Kinect­enabled carts are currently under test.

　　The cart can follow you along the aisles (通道), controlled merely by your movement and your voice. In China, a supermarket chain introduced tablet­equipped carts that guide shoppers around the stores' aisles.

　　In the United States, several supermarkets use a device called Scan It that gives buyers the freedom to scan purchases on their own while they shop.

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