confectionerynews.com

nWorP TIL KitKat bars (UK version) grew overall by 29%, and Hershey's Milk Chocolate grew by 20% by 2015, compared to the same branded products in the 60s, but were at their largest/heaviest in the 2000s. As of 2015, Twix had shrunk, but Snickers and Mars had grown
b9Dap TIL M&M's were created for the US Army so that soldiers could carry chocolate in tropical climates without it melting
R7gn7 TIL the Jelly Belly Candy Company was trying to create a pizza flavored jelly bean, but the taste was so bad that flavor was added to the recipe, making vomit flavored jelly beans instead.