Snap is a popular multimedia messaging app that allows users to send photos and videos that disappear after being viewed. It was created by Evan Spiegel, Bobby Murphy, and Reggie Brown in 2011. Users can also add fun filters, stickers, and text to their snaps, making it a creative way to communicate with friends. In addition to messaging, Snap features Stories, where users can share their snaps with all their friends for 24 hours. The app also includes Snap Map, which lets users see where their friends are located and what they are sharing. Overall, Snap is a fun and engaging way to connect with others.