1, electric toothbrush is an innovative way to upgrade. Is to upgrade the original toothbrush. Early products are often rough and expensive, and the upgrading and innovation of electric toothbrush has played a role in perfecting products and lowering the threshold, which is worthy of respect.

2.InstantPot was published on 20 10. Although it looks like any old pressure cooker, the innovative function after upgrading is far more than that, and it is powerful. This multifunctional cooker was founded by computer scientist RobertWang, who used his $350,000 savings to turn his dream into reality. InstantPot was an immediate success, thanks to the reputation of food bloggers and convenient sales through Amazon, which quickly became one of the hottest products this year.