Benefits of USB that you never know

I almost do not believe that we can recycle USB to a  helpful appliance. Below is a video showing how to recycle usb easily in less than 20 minutes. You can do it at home on your own very easily. What interests me most is the way to do fan, you simply plug it into the phone, it will work and powerful. We can use it instead of fan-home. What about you all? All three methods videos are you satisfied? Please select one and learn to do it together.