For example, many brands have sports bracelets. Huawei has a sports bracelet, which can detect your health status according to your usual exercise conditions, such as the number of steps you walk or your usual heart rate and heartbeat, because your situation is uploaded to big data in real time. When you find that you have a physical problem, it will automatically give an alarm. Even when you connect your sports bracelet to your mobile phone, if you find that you have a problem with your body. When you open the shopping software, the software will automatically push you some health products or even drugs for you to buy. This is an embodiment of pervasive computing. Of course, many people also believe that this behavior affects people's privacy. Although this kind of sports Bracelet does bring people a lot of convenience.
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