Thanks lifehacker!
How dslr works:
http://ca.lifehacker.com/5801710/camerasim-simulates-the-functionality-of-a-dslr-to-teach-you-how-it-works
How to pimp your dslr:
http://lifehacker.com/5729101/transform-your-dslr-into-a-supercharged-professional-video-camera
How to clean your dslr:
http://ca.lifehacker.com/5792030/learn-to-properly-clean-your-dslr-camera-lens
