Snapchat and other young social networks are rewriting the rules of online engagement by focusing on intimacy, authenticity, and ephemeral experiences. These networks prioritize visual content, personal interactions, and giving users control over their experience in ways that feel more "real" than traditional social media. The document outlines six principles for social media success as demonstrated by Snapchat: make promises and keep them, use striking visuals, break through noise, offer intimacy, give users choice and involvement, and maintain authenticity.