You know all those buttons on top of McDonald's drink lids? People assumed they pretty much cracked the code when it was revealed that the round doodads indicate the type of soda inside, but it seems ...

McDonald’s customers are just now discovering what the buttons and ridges on the top of the drink lids are for — and they’re lovin’ it. A video posted on the “Today Years Old” Twitter account — a ...

You've stopped into your favorite cafe, fast-food spot, or even your go-to gas station for a quick liquid treat. You order up your usual — a coffee, slushie, soda, whatever it may be — to go, and ...