Helios at Lobby4Linux discuss in his blog that many people see Ubuntu as Linux and the issues with that.
Read it here
As much as I disagree with the fact, Ubuntu and the baby-buntus have reached number one status in more than just some website's rankings. Ubuntu is getting big on the streets. I work with nothing but Geeks…some are Uber-Geeks, and it's to my surprise that even they are struggling under a misconception.