A new type of computer keyboard has been introduced on the market. The new type of keyboard has the three most characteristics that traditional keyboards do not have, that is, the most commonly used keys are designed at the position closest to the most flexible fingers. The new type of keyboard can greatly improve typing speed and reduce error rate. 
The most flexible fingers of some keyboard users are different from ordinary people
 replacing the traditional keyboard with a new keyboard can quickly improve the efficiency of the relevant departments.