Google Closure JavaScript Library

Looks like there are yet more additions to the JavaScript world.
This closure compiler is gaining popularity, and shows that its the most efficient one out there for now.
It also comes with a full library with features similar to jQuery.
Although I do find the constant use of 'goog.dom' a little annoying I am sure there some great benefits to learning it.
I personally hate and resist change. It took me like a year to pick jQuery. Prototype and Scriptaculous were the dominant ones when I started picking up jQuery in 2009. And even then I was overwhelmed with the seemingly limitless list of JavaScript libraries and frameworks.

And now that I am here at Disney, it looks like Google closure library is gaining ground.