The trend of pop-up retail started in Los Angeles and now pop up all over the United States, Canada,[1][2] China,[3] Japan,[4] Mexico,[5] France,[6] Germany,[7] the United Kingdom and Australia.[8] The pop-up industry is now estimated to be a $50 billion industry.[9] Pop-up retail has been an increasing factor during the retail apocalypse of the 2010s, including seasonal Halloween retailer Spirit Halloween, who has operated stores in vacant spaces during the season.