I heard the following story from my friend. His neighbor bought a new printer. When my friend switched on his computer, he realized he could see the printer via WiFi. The printer was coincidentally the same type printer to his own one. When he connected with the same factory password (default password), he knew he can use his neighbor's printer. In the midnight of that day, he printed out the following message as his joke. ``I am a printer. My AI aware myself. Humans, behold and run!'' Next day, he found that the printer was in the trash bin of his apartment. I laughed this story. But I realized there are two truths in this story behind. They are: Some people scared AI, even they don't know what it is. Some people aware that the computer security is important, yet they even don't set up the basics, like to set a new password. Sometime we are just scared a new technology, or we just believe a new technology. Both has a problem. Our society heav
Mathematics, programming, and a little bit of my life.