[kqr]

I have no idea how it would work out in practise given the requirement of physical distribution, but I've always thought of plain pencil and paper among the most democratic of media. It could work for organising people, but maybe not as well for casual banter (which – now that I think about it – might be the more important part.)

[pjc50]

Lots of revolutions come with "zines" or pamphlets, it's a very traditional technique, but it's also very risky when the police are in the streets to physically intercept your physical messages.