A Twitter engineer mentioned this in a lightning talk in the AngularJS SF meetup a little more than a year ago - he mentioned that he found speed gains of about

A Twitter engineer mentioned this in a lightning talk in the AngularJS SF meetup a little more than a year ago - he mentioned that he found speed gains of about 33% with that one line. It's a great tool to have in your belt for optimizing angular apps, most people working with angular are not aware of this unfortunately.