...and the widgets have changed quite a bit since they were first introduced. The first ones tended to be fairly explosive if you had bumped the can or if it wasn't very cold. It lend to much rushing rapidly to the kitchen sink, with the glass in one hand and the erupting fountain of canned Guinness in the other.

Or perhaps I am just better at chilling the can now

When I was at the Goodwood Festival of Speed the other week, Murphys were there selling their stout. They were making a selling point about the fact that they could pour you a pint in seconds rather than minutes.