Well, apart from telling people about SSiW at every opportunity, I have it mentioned in the information booklet that all my AirBnB guests have to read in their room, plus I have a little stack of business cards strategically placed on the breakfast bar.
I’m getting used to first-language people introducing me to someone new as “This is Deborah. She comes from New Zealand. She learnt Welsh on the internet!” - cue a discussion on SSiW 