I love your site. It easily has the best UI. I knew in the back of my mind that you have the "flexible" feature, as I've seen it before, but never thought about

I love your site. It easily has the best UI. I knew in the back of my mind that you have the "flexible" feature, as I've seen it before, but never thought about or even bothered to use it, because it just isn't visible enough. It may help to make it a link on the results page, and perhaps mention it on the loading screen as well.