Sixteen years ago this month, Coca-Cola launched the 7.5-oz mini can as a “great option for smaller thirst occasions, and for calorie-conscious consumers,” the company said at the time. Launched then in eight-packs, the mini can has since expanded to 6-packs, 10-packs, 24-packs, and even 30-packs, becoming a key format in US retail channels like...