This document discusses search marketing and provides strategies for optimizing organic and paid search. It defines search engine optimization (SEO) as obtaining unpaid traffic from organic search results by optimizing websites to send signals to search engines. Paid search (PPC) is defined as obtaining paid traffic by bidding on search engine ad placements. The author argues search marketing serves three purposes: 1) Protecting brands by occupying search rankings, 2) Obtaining new customers, and 3) Harvesting repeat customers through organic search. Overall search marketing is presented as a key digital marketing technique for obtaining website traffic.