Whenever you see some corp article saying "x uses AI to do y"
"X uses machine learning to identify patterns that mean a machine can do Y"
Simple application of an algorithm that lets you separate things out quickly and easily.
Self driving cars? Machine learning that avoids stuff and keeps to a route.
The intelligence is in the people that wrote the algorithms & worked out how to encode things so it became tractable.
More powerful processors means this happens more often.
That's it.