What's happening?

The picture spread quickly on the internet. Gone were the white robesA long loose outfit. . Instead, Pope FrancisThe head of the Catholic Church since 2013. An Argentinian, he is the first non-European to hold the position since the 8th Century. was wearing a white puffer jacket.

But all was not as it seemed. The picture was a deepfake. This means that it had been made using Artificial IntelligenceArtificial intelligence, or "AI," is the ability for a computer to think and learn. With AI, computers can perform tasks that are typically done by people, including processing language, problem-solving, and learning.. It was not real after all.

Many think this is only the start. On Wednesday, more than 1,000 technology workers signed a letter calling for a stop - at least for now - to AI research. Elon MuskA South African-born entrepreneur whose companies have included the online payment service PayPal. added his name to the letter.

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They are worried that AI is getting better very quickly and could perhaps get out of control. One day, they say, the creators of AI may no longer understand how it works.

This could be a big problem. Chatbots could spread fake information.

But others think we worry too much. If you look closely at the picture of the Pope, you can see small mistakes. And leaders could make new laws to make sure no one misusesUses for the wrong reasons. AI.

Very! AI is very powerful. It is already being used to share things that are not true. And it is getting harder to spot fakes all the time.

Not much! We should always think about whether what we read or see is true - made by AI or not! And AI could make our lives much better by doing things for us.