Kindle Fire HD vs iPad 2?

What is the difference in how user friendly each is and what each can do. (not cost).

Kindle Fire: http://www.amazon.com/gp/product/B008GFRBBW/ref=fs_jw
iPad 2: http://www.apple.com/ipad/compare/

Thanks for your help!

См. статью: Kindle Fire HD vs iPad 2?