Do you think the wifi signal is harmful?
October 24, 2015 2:24am CST
Sometimes we read different kinds of articles via the net. And one said it was harmful to live in the wifi environment. For example, the wifi signal at your home is bad for you. It is better for you to turn off the router when you don't use it. I just don't believe it. As we live in a world which is full of raditions. The wifi signal is nothing serious. What do you think?
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