The age of your spirits can be the difference between something lackluster or a life changing cocktail.Wine people approach the storage and consumption of their collections rigorously. There are apps for tracking the most optimal moment for a bottle of wine to be consumed, wine refrigerators have multi-zone technology to store Bordeaux at a different temperature than Champagne, and wine service is a whole other area of nuance. Consumers aren’t nearly as precious about their spirits. Liquor bottles are typically stuffed on a bar cart, in the back of a cabinet, or buried somewhere in the freezer. But spirits, liqueurs,...