I think that this story about Couchsurfing, featured almost at the same time here https://news.ycombinator.com/item?id=9632928 https://news.ycombinator.com/item

I think that this story about Couchsurfing, featured almost at the same time here https://news.ycombinator.com/item?id=9632928 https://news.ycombinator.com/item?id=9632928 is very related. All the elements of the movement evolution are there.