The brewing style differs from a traditional Turkish three-time boil as the coffee gets removed from the stove when the first chocolatey foam pops to the surface.
As Reason's Jacob Sullum points out, that means that while New Yorkers will no longer be able to ingest 240 calories drinking a 20-ounce Coke, they will still have no trouble buying a 24-ounce, 520-calorie double-chocolatey frappucino at Starbucks, or a 20-ounce, 800-calorie milkshake.