> but I had no idea about humans 200,000 years ago using tools. You might be interested in Sapiens. https://www.amazon.com/Sapiens-Humankind-Yuval-Noah-Harari

> but I had no idea about humans 200,000 years ago using tools. You might be interested in Sapiens. https://www.amazon.com/Sapiens-Humankind-Yuval-Noah-Harari/dp/0062316095 https://www.amazon.com/Sapiens-Humankind-Yuval-Noah-Harari/d...