We have a teacher in the universe of old hardening. Somewhere under 70. Very strict and disciplined. I can’t tolerate delays. Protecting his lab from the first time is generally from the field of fiction, and how we suffered with the course, you will not pass. But he has one characteristic for which everyone loves him very much. Even at the exam, he did not forbid anyone to use a mobile phone, arguing that there was and will be nothing new. The second year we wait for someone to tell him about the mobile internet