For a while, I’ve wondered what all the difference Amazon cloud computing services were. With unfamiliar jargon and technical hyperbole, I came to believe that it was an entirely new way of thinking. It turns out it isn’t, thanks to this primer on amazon web services on Ars Technica. A virtual machine is still a virtual machine; it’s just called an “instance” in Amazon parlance. Short and sweet, the article just made cloud computing more accessible to me.