The fascination with following sorority hopefuls at the University of Alabama has evolved into an entertainment empire. (Photo illustration: Quinn Lemmers for Yahoo News; photo: Brynn Anderson/AP)A woman with fresh blond highlights, dazzlingly white teeth and an impossibly perfect tan shows off her preppy butter-yellow and light-blue outfit in her dorm room, addressing TikTok in a singsongy voice as her wrists full of bracelets jangle around. She's Izzy Darnell, the Cooper Flagg of RushTok - a top prospect in an increasingly commercialized process.