Just read: ‘The long tail of keyword research’ at WordTracker June 21, 2010June 9, 2012 Aaron Hoos Business Love this article about long tail keyword research, rejecting the “head” keywords, and how to profit from long tail. Wanted to share it with you. The long tail of keyword research. Aaron Hoos Aaron Hoos is a writer, strategist, and investor who builds and optimizes profitable sales funnels. He is the author of The Sales Funnel Bible and he's a real estate investor and a copywriter for real estate investors.