This document discusses unnatural links and strategies for dealing with them. It begins with an introduction to the author and then addresses why links are important to search engine rankings. It notes that Google has addressed link spam through penalties since its inception. It advises that the best strategy is a long term white hat approach rather than short term black hat tactics. The document provides tips for detecting unnatural links, both manually and automatically, and recommends validation of automatic detection. It offers advice on addressing unnatural links through dilution, removal, and Google's disavow tool if needed. The overall message is that links are important but must be natural to avoid problems.