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   Artificial intelligence (AI) is the ability of a computer program or a machine to think and learn. It is also a field of study that tries to make computers “smart”. John McCarthy, a scientist, came up with the name “artificial intelligence” in 1955. Many things such as learning and problem solving can be done by computers, though not in the same way as we do.

Some people have welcomed AI because it makes things possible. In some industries, AI is already doing the work that people used to do, such as assembling(装配) cars, digging the coal and lifting goods. Even more, AI will have a big influence on our daily life. The AI self-driving car will take us to our destinations (目的地). An AI tutor will help us with homework at home. The future of AI looks quite bright.

However, there are still some risks. Self-driving cars and trucks controlled by AI will take away drivers’ jobs in the future. What’s more, according to an expert, “Every AI advance by good people is an advance for the bad people, too.” The biggest worry is that bad people could use AI for evil purpose. For example, they could use AI to create websites that steal people’s personal information. Or they could use AI programs to hack software and break into computer systems. Although AI has its risks, it is clear that AI is here. It has been used in many ways and it is changing how people live and work. That makes AI important to watch, not to fear.