O.K. is a pair of initials with a multitude of uses -- not to mention a number of different explanations of how it came to be. An upcoming anniversary is the occasion for Mo Rocca to investigate: Word ...

You might be surprised to learn which came first! When you’re expressing assent to something, or conveying that you’re all right, in writing or text, do you use “OK” or “okay”? Chances are you’ve used ...

“This stuff tastes like crap,” the caller said. In 1994, Coca-Cola invited consumers to phone an 800 number to leave their candid comments about OK Soda, a new product the beverage giant was ...

"OK" is the all-purpose American expression that became an all-purpose English expression that became an all-purpose expression in dozens of other languages. It can be an enthusiastic cheer (A parking ...

It crops up in our speech dozens of times every day, although it apparently means little. So how did the word "OK" conquer the world, asks Allan Metcalf. "OK" is one of the most frequently used and ...

How you text your best friends is understandably different from how you interact with your parents in the family group chat. There are some emojis and memes your parents simply wouldn’t understand, ...

From Buenos Aires to Bangkok, Montreal to Moscow, the languages may differ, but nearly every taxi driver or street vendor in the world understands one word made famous during a raucous U.S.

OK, it's quiz time: You probably say it dozens of times every day. It may be the most widely used expression in the world. And yet it's so simple. OK, ready for the answer? That's it -- the word "OK." ...

When news breaks, you need to understand what actually matters. At Vox, our mission is to help you make sense of the world — and that work has never been more vital. But we can’t do it on our own. We ...