I take your use of "sharing economy </r></s>" as post-uber/airbnb/etc, instead of, as I first heard it, from couchsurfing, potlucks, bittorrent, etc well before that.

Also while nit-picking, I would clear up your use of "for free </r></s>" as "as a freebie", again post-[insert: x̄ȳz, inc].