Current smartphone technology allows for nearly infinitely granular targeting based on behavior, third-party data, contextual data such as location, and universal sign-in profiles.
In future peers will have to sign a declaration "stating the location of their principal residence, and giving confirmation that it is outside Greater London".
Even though there is no sign marking the bar's location at the back of the restaurant, the 50-person space is so popular that there's often a waitlist to get in.
Head bartender Jan Warren admits that first-time guests are sometimes "a little freaked out" by Dutch Kills' location on a deserted industrial street with a spooky lit-up "BAR" sign.
Every day Mr. Dutschke would put a new sign up only to find it removed, until one early morning Mr. Dutschke waited in his car near the location to catch the perpetrator in the act.