@erikfinman and I had this idea last year since he travels a ton and we had many friends who do so as well who frequently posted in FB groups asking if anyone could host them.
@erikfinman@tzhongg Same. We see this happening on Facebook and Twitter constantly. "Going to Berlin next week, any [members of X group] wanna meet up/have a place to crash." We're hoping that Horizon can help formalize the process.