New AI voice and video tools can look and sound like you. But can they fool your family—or bank?
WSJ’s Joanna Stern replaced herself with her AI twin for the day and put "her" through a series of challenges, including creating a TikTok, making video calls and testing her bank's voice biometric system.
00:00 | How to make an AI video and voice clone
02:29 | Challenge 1: Phone calls
03:36 | Challenge 2: Create a TikTok
04:47 | Challenge 3: Bank Biometrics
06:05 | Challenge 4: Video calls
06:45 | AI vs. Humans