"Today, we may be more likely to move our fingers across a tablet than turn the pages of a book; to swipe a card, press a button, or enter numbers onto a keypad than turn a key," Jen Doll writes in this month's issue of The Atlantic. "Yet when it comes to gesturing, certain outdated motions endure." Some hand gestures are ancient -- the thumbs up dates back to the Roman coliseum -- and pretty much universal. Others mean different things in different cultures, as we discover in this video from NowThis News. A sign of agreement in one country can mean something unprintable in another.
Read "Survival of the Finger: The Evolution of Hand Gestures" here.