Once just a hangout for teenagers, Snapchat has matured into an engaging and effective social media platform. If you're trying to reach a younger demographic, it's somewhere you probably want to be. "Snapchat is the best channel to reach young people, as they count for more than two-thirds of its audience and are very active users," said Melissa Sanchot, head of marketing & communication for MakeMeReach. Snapchat is its own world, though, and using it for marketing and advertising means working creatively with its unique features.