This document summarizes a presentation about marketing for startups using social media. It discusses why social media is important for startups as a natural fit for lean startups to create buzz and reach potential customers, partners, and media. It also covers how to leverage social media effectively by understanding business goals and crafting customized social media plans for each channel to match goals. Finally, it discusses common mistakes to avoid, using resources wisely, and provides examples of social media analytics and content strategies.