The document discusses whether businesses need a social media presence and outlines the basics of key social media platforms. It recommends starting with a blog as a social media hub and then establishing a presence on Facebook, Twitter, and LinkedIn. The document provides tips on how to use each platform, including creating fan pages, groups and ads on Facebook, finding an audience and engaging with content on Twitter, and joining groups and answering questions on LinkedIn. It also promotes the benefits of using images, videos, and tools for managing multiple social media accounts.