An argument for Backbone over Angular

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Many teams are comparing AngularJS with Backbone and other libraries. An argument I have 
sometimes heard is that Angular is backed by Google, while Backbone is just one Guy.

That is really incorrect and misleading. The project was created by Jeremy Ashkenas (AKA 
the One Guy), but that guy also created CoffeeScript and Underscore. He did it as part 
of the Documentcloud project and has since been Lead Web Architect at FinancialTimes and 
NewYorkTimes, both of which have very large installations.

Backbone is the *only* web framework that has a track record of very large sustainable 
web applications. 

http://backbonejs.org/#examples
http://builtwith.angularjs.org/

Angular is too new to have any very-large applications released and versioned to have a 
maintainability story to tell. I think this is very important to consider, and this 
analysis does not reflect it at all.

(FWIW: Knockout was backed by Microsoft and that didn't ever take off)