But in 1942, when the United States was fighting the Nazis in World War II, the extended arm gesture was abandoned. “It looked too close to the Nazi salute,” Winkler said. Whatever Musk was ...

Not every hand gesture is universal. And sometimes, making what you think is an innocent gesture in one country can land you in hot water somewhere else. Just ask any traveler who's given a thumbs ...

Then, you can highlight a portion of the screen by "using whatever gesture comes naturally," such as drawing a circle around it or tapping it. It could be considered a limited version of Google's ...