Ubuntu, the Linux distro for humans, according to the old slogan, is celebrating ten years. Ars Technica has a nice retrospective on Canonical’s Windows alternative.

Today, Canonical, the company behind Ubuntu, estimates that there are 25 million Ubuntu users worldwide. That makes Ubuntu the world’s third most popular PC operating system. By Canonical’s estimates, Ubuntu has roughly 90 percent of the Linux market. And Ubuntu is poised to launch a mobile version that may well send those numbers skyrocketing again.