Do we need caching in Angular JS application

I recently blog about Caching in Angular JS application. I think about the need or not to cache in the application logic, or just use the widely useable cache methodology use by Web Browser.

http://mulianto-phang.blogspot.com/2013/07/do-we-need-caching-in-angularjs.html#.UdlIWKyVGR8

Any comment welcome for make things better.