[CharlieA]

I don't know about the half kidding...it seems like you might legitimately be on to something there in the area of private deal "experiences" for you and close friends.

But I'm thinking, more so than Pinterest it's closer to "Path" where you and your small network of close friends collectively get a deal (at Jerry's liquor, lovely example) then post cute photos of your night/experience (sans the trip on the porcelain bus) which become public on "Jerry's Drive-In Liquor" or whatever, and exposes the deal to other people in the private networks of those who were in your private network... a sort of "local viral" marketing effect which works as advertising and as the regular "look how awesome my saturday night was" that we (what? just me?) use Facebook/Instagram for anyway.

I think it perfectly combines the innate desire to show off and receive value while maintaining an air of exclusivity plus the whole validation thing, from strangers and friends alike.