I first spotted one of these outside of a farmers’ grocery co-op in my city and thought it was unique. But it seems to be a kind of movement so thought I’d share in case someone is designing a space where it would work:
http://beforeidie.cc
p.s. one of the funny lines I saw on my visit was a chalk written response that had me puzzled for a moment until I understood it, but it might have a hard time being fulfilled. All it said was:
“Be famase”