"Sure, unlike me, you're probably not reading this on a
Linux desktop–Mint 10 for those who care about such
things–but do you use Google, Facebook or Twitter? If so,
you're using Linux. That Android phone in your pocket? Linux. DVRs,
network attached storage (NAS), trade stocks? Linux, Linux, Linux.
"I think one of the most telling stories about Linux this year
came from a friend of mine, Joe "Zonker" Brockmeier, who told me of
a friend who said "Linux was too hard." When Zonker asked him about
his Android phone, he replied something like, "Oh, but Android is
easy. It's not Linux!"
"Oh my. Android is indeed Linux, as is so many other devices and
Web services and sites. Open-source developers have just gotten
very good at hiding the dirty technical details from you."