This document provides information about Ajax Union, a marketing company, and discusses link building strategies in a post-Penguin world. It introduces Ajax Union and its services, then discusses Google's Penguin algorithm update and emphasizes building quality, natural links from authoritative sources. It provides several specific link building techniques such as finding influencers, guest blogging, creating linkbait content, and monitoring competitors. It also covers troubleshooting poor rankings and changing one's SEO vocabulary.