This document discusses the benefits of social media marketing and recommends participating on sites like Digg, StumbleUpon, and Fark to gain exposure and increase brand awareness, traffic, and conversions. It notes that social media provides mass exposure amongst influencers, increases natural inbound links, and allows for increased quality content and branding. The document advises participating on sites where you have the ability and time, on niche sites relevant to your industry, and suggests tactics for each site like focusing on titles, tags, and networking in your category to be successful.