 In February 2020, to highlight the company's commitment to no artificial preservatives in their famous Whopper, Burger King ran an ad with a time-lapse of a decaying burger on Twitter.The company explained that it has removed artificial preservatives from the Whopper in a number of European countries — including France, Sweden and Spain — and about 400 of its 7,346 U.S. restaurants.It plans to remove preservatives from Whoppers served in all of its restaurants in 2020.