here's some more on the subject. http://www.seodesignsolutions.com/blog/search-engine-optimization-myths/seos-get-schooled-on-lsi/ and apparently yes the stompernet video is flawed. http://irthoughts.wordpress.com/2009/04/09/finally-seos-are-getting-the-lsi-myth/ and this is how it works http://www.miislita.com/information...ial-5-lsi-keyword-research-co-occurrence.html as for whether Google do use it or not. lets face it, we dont know and we're not likely to.