Are you speaking to a deepfake? Try the pencil test and other pro tips

The next time you get on a Zoom call, you might want to ask the person you're speaking with to push their finger into the side of their nose. Or maybe turn in complete profile to the camera for a minute. Those are just some of the methods experts have recommended as ways to provide assurance that you are seeing a real image of the person you are speaking to and not an impersonation created with deepfake technology. It sounds like a strange precaution, but we live in strange times. Last month, a top executive of the cryptocurrency exchange Binance said that fraudsters had used a sophisticated deepfake "hologram" of him to scam several cryptocurrency projects.