This document discusses using lean content marketing to help startups reach escape velocity. It argues that marketing matters even for lean startups and cannot be replaced by just product launches. It presents content marketing as a framework for startups to define their space, educate audiences, engage communities, and build loyalty over time. Specifically, it recommends four lean content strategies: using SlideShare for natural distribution, guest posting for idea distribution, answering relevant questions on Quora, and blogging for an existing audience. It positions content curation as a good starting point that can help identify original topics while developing expertise.