Joke Collection Website - Mood Talk - What innovative tools or products have you used? What is its innovation?

What innovative tools or products have you used? What is its innovation?

Pageless fan Dyson fan,

Use air multiplication technology to absorb air and expand it. Because there are no rotating blades or grid covers, it is quiet, safe and easy to clean.

Product innovation is a big aspect involving all aspects. I think product innovation can be divided into hard innovation and soft innovation. First of all, talk about hard innovation, which is an innovation from the product itself. Product raw material upgrade, product packaging upgrade, product function.