[toothbrush]

> That's why you can have big posters in China saying things like "Friends! Be virtuous and vigilant!"

I'm not sure what you want to imply, but i just got back from London where each and every public transport facility (bus, tube, train) kept repeating over the PA that "any suspicious people or parcels" should be reported to a member of staff. Or something like that.

We're not really that different -- i would be surprised if the US is.

[katbyte]

here (Vancouver Canada) we have similar security ads all over out transit system

https://imgur.com/bYVXi7x,DQticJw#0 https://imgur.com/bYVXi7x,DQticJw#1

We also have ones promoting considerate social behavior:

http://imgur.com/Rqv5hLr,Zh7k1Qf#0 http://imgur.com/Rqv5hLr,Zh7k1Qf#1