This document discusses inbound marketing strategies for lead generation. It advocates focusing on creating useful content through blogging, videos, and other media rather than paid advertising. The content should be optimized for search engines through on-page SEO, links from other sites, and relevance to buyer keywords. Social media is another way to distribute content and build authority when the content is shareable. The document also stresses optimizing content and websites for mobile access given its growing importance. The key pillars of an inbound marketing strategy are outlined as content, search engine optimization, social media, and mobile optimization.