For people from New York.
La Soci?t? Stella Artois
From what I've surmised on the site, you get a welcoming kit that includes a set of chalices from Stella Artois and is essentially an exclusive club. One of the rewards:
"One of the level Deux rewards of this month is to have exclusive
access to Heidi Klum's Halloween party."
You could easily redeem for free dinners/sports tickets/free movie showings and the like.
You need an invite to join and is limited to 30,000 people total. Anyone who doesn't sign up early enough will be put on a waiting list even with an invite code.
Here's a few codes to get you all started:
Edit: Only 5 left working.