Those who didn't delete the app from their phones after it was delisted are now the only people in the U.S. who have access to it.

Joe Biden, 46th President of the United States, wrote in a letter: "Delaware is home. And now for the final time, Jill and I, nurtured and chiseled by the State, have come home to stay – with gratitude and love for the opportunities you have given us to listen, to learn, and to lead."