The hand signal, now viral on Instagram, involves tucking your fingers over your thumb to reportedly alert someone you need help ... her demonstration of a hand gesture, in which she tucks ...

Instructors and students can give more visible feedback through live gestures by ... The raise hand feature in webinar allows attendees, panelists, co-hosts, and the host to raise their hand to ...

A post by safety influencer Dannah Eve ("The Street Smart Blonde") shows her demonstration of a hand ... help signal promoted globally, but it's fairly new, and not enough people know the gesture ...