When our children dress up as “people from 2023” 10 years from now on Halloween, they will wear shiny, beige Alo Yoga leggings and sports bras, with puffy white socks, white sneakers and gold chain necklaces. They will clutch giant water bottles, iPhones and Tesla key fobs. They will look essentially like any paparazzi photo from this year of Hailey Bieber on her way to a hot Pilates class in Los Angeles.