ELI5: Why are deepfakes dangerous

Deepfakes are dangerous because they can make it seem like someone said or did something they never actually did, which can cause a lot of trouble.

Imagine you have a toy video camera. Normally, it just records what's really happening. But what if you had a special version that could change who is in the video, or make people say different things than they actually said? That's kind of like a deepfake.

• Lying: Deepfakes can be used to create fake videos of politicians saying things that are completely untrue, tricking people into believing lies and influencing elections. It's like someone changing the words in your favorite storybook to make the hero look like the bad guy.

• Ruining reputations: Imagine a deepfake video showing your teacher doing something silly or embarrassing. Even if everyone knows it's fake, it could still hurt their reputation and make them feel bad. This is similar to spreading a rumor that isn't true - it can damage a person's image.

• Scams: Deepfakes could be used to trick you or your family. For example, a fake video of your grandma asking for money could fool you into sending money to a scammer. It's like a wolf dressing up as your grandma to get into your house!

• Making it hard to trust: If deepfakes become very common, it will be harder to believe anything we see online. We might start doubting real news stories or videos, which can make it difficult to know what's really happening in the world. It's like constantly hearing made-up stories - you eventually stop trusting anything you hear.