You think you're a coffe connoisseur? Well then, you should have no problem ordering your pick-me-up of choice from this menu, which lists drink options purely by the ratios of coffee, milk, water and air present in the beverage.
Giving Optimus Prime a Proper Back Story | io9 Interview
The menu was spotted in East London, according to Flowing Data, and it relies on customers' knowledge alone. Alienating and over-exclusive, for sure.
Actually, it's unclear whether the menu is complemented by something more conventional—for the sake of the coffee shop in question, we hope so—but it's a neat concept, and in some ways a good way of choosing drinks based on physical preferences. The question is, though, can you work out what all the choices are? [Flowing Data]