Past and Present, What Inventions Have Subverted Human Daily Life?

There are many inventions that have subverted our daily lives in history. Which one do you think is the most indispensable?
Electricity, air-conditioning, TV, mobile phone, Internet or artificial intelligence that is currently in full swing?

What will the future look like?
It may be difficult for us to wait for the day when we become space travelers, but we may be able to look forward to the arrival of the era of artificial intelligence.

01 Three inventions that we can’t leave

In the past, our ancestors lived the most primitive lives. The sun gives them hope and courage to survive, in addition to light and warmth! When night falls, darkness covers the earth, and people enter a long night.
In the 19th century, mankind possessed one of the most important basic energy sources-alternating current. Before AC was invented, all the electrical energy used by people was DC, and it had a big disadvantage that it could not be transmitted to far away places.