Is Guinness defying the laws of physics? Not exactly. Every Guinness is supposed to be poured into a specially crafted tulip glass. But that glass is designed to manipulate the bubbles in the beer ...

And barkeeps will proudly pour them one in a nice clean (branded) Guinness glass and hand it to the patron with a wink. And that's where the campaign continues. If anyone makes fun of the patron ...

And how it’s served matters, too, with preference being in the Guinness glass. Diageo, the company that owns Guinness, even has an “expert guide” to pouring and serving Guinness available ...