Boards
Commuters have a Christmas party on their commute
http://www.itv.com/news/2015-12-20/friends-hold-christmas-party-on-the-train-to-work/
I'm sure I've seen this sort of thing before. I wouldn't be the kind of curmudgeon to object, but I'm sure one of you will take up the baton.
Additional (COMMUTER SPECIAL) - do you ever talk to any of your fellow commuters? (other than people you know from elsewhere)