emberjs/website — pull request #96 by joliss (2012-07-01 09:40:46+00:00)
Title: Do not confuse people by suggesting that Ember.computed(...) may be nece...

...ssary

Let's keep in simple in the tutorial. In the (presumably rare) cases
where people need to disable prototype extensions, it's documented on
http://docs.emberjs.com/symbols/Function.html