In case Facebook and Twitter go down, you can always go back to e mails; and chain letter emails. Keep the file size of digital memes low so that they will e mail easily.

Posters, (fly posted at night), in gardens, windows and businesses.

Bumper stickers.

T shirts.

Business size cards left by telephones, bus shelters, public places, reception desks, left in taxis and hotel rooms, in rest rooms, waiting rooms; anywhere you can get away with it.

Work in teams, not individually if it is necessary for protection..

Find a printer and crowdsource the cost or approach the candidate for funds.