To call it a "competitive advantage" is stretching it a bit. It's a feature, that much is unarguable. I'd say that the snap.com UI probably falls into the "Hov

To call it a "competitive advantage" is stretching it a bit. It's a feature, that much is unarguable. I'd say that the snap.com UI probably falls into the "Hover and cover" UI Antipattern (as defined by Bill Scott) http://www.slideshare.net/billwscott/design-anti-patterns-how-to-design-a-poor-web-experience http://www.slideshare.net/billwscott/design-anti-patterns-ho... (slide 36 onwards)