For whatever reason, people like to ask famous people to sign their names on a piece of paper so they can prove to their friends that they came into brief contact with the luminary.
You can't even blame this generation for this groupie behavior; it's been going on forever.
During the European leg of his tour, Travis Scott has been slapping a condition on autograph seekers.
As you can see, he's asking them to name their favorite Travis Scott song before signing as a way to only reward fans with his handwriting.