Who is the youngest billionaire in the world and created a photo messaging application for self-deleting photos?
Timeline of Snapchat: This is a timeline of Snapchat, a photo messaging application used for impermanent (self-deleting) photos, developed by Evan Spiegel and Bobby Murphy, and the developing company Snap Inc. Evan Spiegel:  Spiegel was named the youngest billionaire in the world in 2015.
Evan Spiegel