The document discusses inbound marketing strategies for startups. It recommends building high-quality content like blogs, videos, graphics and then promoting it through various free channels like social media, forums, bookmarks and Q&A sites. Specific tactics mentioned include involving a sharing community, designing appealing content, investigating competitors' top content, and following a four step inbound marketing process of discover, test, measure and repeat. Examples are given of startups that have succeeded with inbound marketing.