David Szetela shares 10 lessons learned about paid search marketing from his experience running a PPC agency. The lessons include: (1) using mixed search and content campaigns, (2) understanding that keywords describe websites not just products, (3) using placement performance reports to optimize content ad sites, (4) making content ads more competitive, (5) targeting long tail keywords, (6) avoiding overly broad ad groups, (7) writing effective search ads, (8) optimizing landing pages, (9) simplifying B2B lead forms, and (10) using software for complex campaign management. Szetela provides his contact information and plugs the sponsor Marin Software's paid search management tools.