Gruber's virtuous circle
Gruber smartly puts it: “But the big picture is that Apple has created a virtuous circle. People who buy one Apple product and like it tend to start buying more Apple products.” (http://daringfireball.net/linked/2010/11/24/changewave-macbooks )
It’s like try one & buy more! I love the virtuous circle, it’s the opposite of what Microsoft has been doing all those years.
This is the essence of changing everything, from perception to consumption; actually this is the essence of an optimum learning curve, but I don’t wanna be rude…