Difference between 1080i, 1080p and 720p explained [Video]

If you don’t really understand the difference between all the HD formats available nowadays, Check out the above video. It helped me to understand 1080p, 720p and 1080i’s differences.

Yup, so the quality should be rank in this way, 1080p highest then 720p and last will be 1080i. Don’t know why? Check out the video.

So, what do you think ?