How to download YOUTUBE videos without using any software?

THIS IS VERY SIMPLE TRICK. FOR THIS YOU NEED NOT HAVE ANY SOFTWARE.
FOLLOW THE FOLLOWING STEPS TO DOWNLOAD A VIDEO

1)    GO TO YOUTUBE.COM SELCT ANY VIDEO COPY ITS LINK
        FOR EXAMPLE:-

        http://www.youtube.com/watch?v=poEwkIPKn3w&feature=related

2)    NOW PASTE THE LINK INTO ADDRESS BAR IN YOUR BROWSER AND PUT KICK IN BETWEEN WWW. AND YOUTUBE.COM IT     

        WILL APPEAR
        WWW.KICKYOUTUBE.COM/.......
        EG;-
        http://www.kickyoutube.com/watch?v=poEwkIPKn3w&feature=related

       OR YOU CAN ALSO PUT 12 BETWEEN WWW.YOUTUBE AND .COM AS IN WWW.YOUTUBE12.COM/...

        EG:-
        http://www.youtube12.com/watch?v=poEwkIPKn3w&feature=related

* the above works well except for some videos.