You guys should check out Centerpointe Research Institute's Holosync. I think it is the same technology but I think it has further reaching capabilities for overall growth of the mind. I have been using it for about two years now and it rocks. it is also pretty close with the Monroe Institutes Hemisync. They are all based on the Frequency following response, But I think that what Centerpointe does with their technology is further reaching, check out Hemisync also they have tons of different applications.