Great Backbone Tutorial

Here are the links of a great backbone tutorial.

Part 1: http://codebyexample.info/2012/03/06/backbone-baby-steps/
Part 2: http://codebyexample.info/2012/04/05/backbone-in-baby-steps-part-2/
Part 2.5: http://codebyexample.info/2012/04/29/backbone-in-baby-steps-part-2-5/
Part 3: http://codebyexample.info/2012/04/30/backbone-in-baby-steps-part-3/