Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
Just over three million years ago, an ape in Africa began to walk on two legs and took the first step on the long road to civilisation. Along the way, we discovered flint tools, fire and farming. But what is it that makes us truly human?