I ran Unit 1 lesson 10 yesterday. Based on my experience, I would recommend that you have every student write their IP address down on a post-it BEFORE any messages are sent. A student in my class took the opportunity to send many profane words to other students sharing their router. I was (and still am) shocked. My class is full of the smartest kids in the school, the “good” kids. I
Thanks for the heads up!
Interestingly enough, when I interrogated the culprits, they both thought that their message would be private. That was the point of the lesson. I don’t think it will happen again.