Feel that technology is useless, drawing lines is useless

Then Old Ai's usual opinions really have no effect on you.

Take a look at the positive feedback

Only then do I feel that sharing and teaching are meaningful

Watching each little partner, from newbies who know nothing, to being able to create graphics, understanding viewpoints, keeping up with making money is just a part, absorbing skills is what allows one to survive in the market.

GM, old friends