Analog is continuous, but in the case of digital, the color changes stepwise. Also, analogs could express deep colors and textures, but in digital it could not. There was a limit. Nevertheless, DTP became popular because it was space-saving, it did not require craftsmanship and was easy to convey technology. I wonder if it was these three points. In addition, the computer cheaper. Well, as for that DTP, I think that introducing a computer definitely shortens the time, reduces the space and reduces the number of personnel, and the training cost has also decreased, but, Have they become easy? There is a theory that it will not change. This is not just the paper media industry. First of all, as a small example, waiting time will be generated for at least 10 seconds, longer than 1 minute or more until the computer is switched on and ready for use. Every morning it happens. If I accumulate the waiting time throughout the year it is a lot of time loss. Besides that, the paper med...