Copyleft is a play on the word copyright and is the practice of using copyright law to remove restrictions on distributing copies and modified versions of a work for others and requiring that the same freedoms be preserved in modified versions
great , so this is time for looking for the best ppl on this
video : www.youtube.com
documents : http://www.scribd.com/
and me too.
Finally we decided the format for normal blogs. we 'll add the yankandpasted matter and below we'll add yankandpaste from :