Question: a photo messaging application used for impermanent (self-deleting) photos, developed by an american internet entrepreneur named the youngest billionaire in the world in what year?
Sentence (from "Evan Spiegel"): He is the co-founder and CEO of the American multinational technology and social media company Snap Inc., which he created (as Snapchat Inc.) with Bobby Murphy and Reggie Brown while they were students at Stanford University.
Relevant evidence: No