Why do ants charge for smart cameras?

Smart camera, a small ant, may think that the cost of R&D is relatively high, so it will naturally charge a fee, one per hour and one per minute. There is a calculation system in this calculation method. Well, its R&D cost is relatively high. For example, its maintenance cost is relatively higher than that of general urban design. After all, if he does, what are the advantages of the camera? Can be voice-activated. In fact, some of them can sometimes be controlled by biology, right? Because many times he can't operate this operation, you can tell you what you want with your voice, Xiao Ye. You want to do something, right? Do a voice control operation. What about after the operation? After the operation, he will give you a summary. Will be very tired, including all kinds of problems. In fact, it is said that his research and development cost is too high, which leads him to charge a fee.