Ridiculously simple implementation, yet somehow ridiculously enticing. First thought - "this is silly." Second thought - "might as well click another. they'v

Ridiculously simple implementation, yet somehow ridiculously enticing. First thought - "this is silly." Second thought - "might as well click another. they've already got me here and it'll just be another few seconds.." Third thought - "oh my god, I've been here for 5 minutes and I'm still clicking!" Concept proven. A job well done. Startups should be taking notes.