A London researcher reports that burgers are the most commonly found food on increasingly Americanized British menus, and found in 13% more places in the past year. Horizons’ 2013 Menurama survey reports that they’re also getting smaller, reflecting cost-cutting measures: Burgers average 6.35 ounces, a 17% decrease from the 7.69-oz. average found in the summer of 2010.