This document discusses various personal marketing channels that can be used for direct marketing, including direct mail, email marketing, interactive marketing (display ads), search engine optimization (SEO), search engine marketing (SEM), and social media marketing. It provides details on how each channel works and their advantages and disadvantages. Key points covered include how to create an effective direct mail campaign, email marketing best practices and metrics, using display ads for interest targeting and retargeting, optimizing websites for SEO, how SEM through pay-per-click ads works, and developing a content strategy for social media marketing.