We're the Hipmunk of research chemicals (http://store.p212121.com http://store.p212121.com). As a side, at what point is a site popular enough to be 'the Y of

We're the Hipmunk of research chemicals (http://store.p212121.com http://store.p212121.com). As a side, at what point is a site popular enough to be 'the Y of X'. I suspect Hipmunk conveys more here than the dental office. I've been going with an amazon analogy - what amazon does to books, we do to research chemicals.