When U.S. Defense Secretary Pete Hegseth recently texted his national security colleagues about upcoming war plans for military strikes against terrorists in Yemen, he obviously was unaware that ...

Depending on who you ask, emojis can mean different things. Navigating emoticon etiquette is a minefield at the best of times, but the “thumbs up” felt like pretty safe territory. Until now, that is.

Question: Which emoji best signifies approval, and represents ideas such as “yes," “like,” or “that’s great”? The answer, it turns out depends on how old you are. If you were born before the mid-1990s ...