How do 'deepfakes' work and what are their societal impacts?

Deepfakes are like fake videos that make people look like they're saying or doing things they never actually did.

Imagine you have a toy robot that can move its mouth and eyes when you press a button. Now imagine someone took a lot of pictures of your face, then used those pictures to make the robot say things it never said, like telling jokes or singing songs. That's kind of how deepfakes work! They use computer tricks to take lots of photos or videos of someone’s face and put them on another person’s body in a video.

Think of it like putting on a mask. If you wear a mask that looks just like your friend, people might think you are talking, when really, it's your friend behind the mask! Deepfakes do something similar with computer software, making fake videos look super real.

Deepfakes can be fun or tricky. Sometimes they're used to make funny videos. But sometimes people use them to trick others, like pretending a teacher said something silly, or making it look like someone is saying things they don't agree with. That’s why deepfakes are important for society, they can help us laugh, but also make it harder to know what's real!