This document provides an overview of inbound versus outbound marketing and discusses how inbound marketing is more effective and cost-efficient. Some key points made include that inbound marketing costs 62% less per lead than outbound marketing. Inbound marketing channels like blogs, social media, and SEO generate more revenue than outbound channels like trade shows, pay-per-click advertising, and direct mail. Three out of four inbound marketing tactics also cost less on average than outbound tactics. The conclusion is that companies should shift their marketing budgets toward inbound tactics.