Usually secretive about the debut of its iconic fall beverage, this year the coffee giant announced the date of Aug. 26 in July, more than a

It was 21 years years ago, back in aught-3, on a day that should go down in brand marketing history, when Starbucks introduced the Pumpkin Spice Latte. The move set off a fall beverage revolution. Now, virtually every shop that sells coffee — from 7-Eleven to indie roasters — offers some version of the PSL or other fall-flavored drinks.