Was it a factory error? A beer pong game gone wrong? Nope — it’s just the “widget,” a device invented by Guinness to mimic the consistency of a nitro draught beer. Here’s everything you ...

Have you ever noticed the clink-clank of a tiny object rattling around the inside of an empty Guinness bottle or can? That little gadget is called a "widget," and you should be thankful for it.

Guinness revolutionized both draft beer systems and how to stouts are canned. The key? Nitrogen, and a modified ping pong ...