Ask yourself for a moment, what is the operating system of a Google or Bing search? What is the operating system of a mobile phone call? What is the operating system of maps and directions on your phone? What is the operating system of a tweet?
On a standalone computer, operating systems like Windows, Mac OS X, and Linux manage the machine’s resources, making it possible for applications to focus on the job they do for the user. But many of the activities that are most important to us today take place in a mysterious space between individual machines. Most people take for granted that these things just work, and complain when the daily miracle of instantaneous communications and access to information breaks down for even a moment.
But peel back the covers and remember that there is an enormous, worldwide technical infrastructure that is enabling the always-on future that we rush thoughtlessly towards.
via The State of the Internet Operating System – O’Reilly Radar.