I'm surprised no one mentioned 3rd party audience lists. It's more than likely in this case you used your credit card at the restaurant and this data was passed to a data service like DLX or Neustar, which Campari will pay a fee to get audience lists such as: Datalogix » DLX CPG » Alcohol Beverage Buyers » Spirits or AdAdvisor Audiences powered by Neustar » AdAdvisor Consumer Audiences » Alcohol (Restricted to Best P…
Haven't seen any alcohol related ads lately.