"Wen Ning." He nodded, he would remember that! He gestured towards the nearest ICP, on the wall not too far away.

"That's an ICP! It's got lots of information on it and you can also use it to talk to people who aren't in the same carriage as you! Even if someone is all the way over on the other side of the train you can talk to them and even see them on the ICP!"