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 ...

Donald Trump is known for the way he uses his hands when he talks – and a video has now emerged which claims to know the ...

Instructors and students can give more visible feedback through live gestures by using new raise hand and thumbs-up 👍 gesture recognition. This feature will automatically display a corresponding ...