Posted by RobOusbey There are a variety of tools and techniques recommended for SEO keyword research, from the free to the expensive, from the well-known to those that are almost kept a secret. However, there's one source of keyword ideas which is often overlooked: the customers (and potential customers) served on a daily basis. Let's get sidetracked for a moment: I've lost track of the number of people at agencies who have been asked the question "If you're so good at SEO,