If I can invent a new product, I would invent a machine which can detect the wrongs in the article and correct it. It looks like as small as a pen, so it can be portable everywhere. It also has red-line scanner to recieve the words in the article. It only needs two batteries, and can maintain about three months. But when can we use it?
The function of it is various in your need. If you are a student, you can use it to check your homework. Then your homework may not go wrong. If you are a secretary, you need to handle your boss’s files. Its red-line scanner function will make your work faster. You don’t have to type the file word by word. Then you will gain more time to relax yourself. This smart product will benefit not only students but also businessmen