Copyleft movement

In addition to make my new topic categories (my own made device), i want to talk a bit about copy left movement. Copyleft movement is an opposite thing of copyright movement. If in copy right movement we can’t use the article or research freely, in copyleft movement we can do that.

for further information just visit these links :

http://en.wikipedia.org/wiki/Copyleft

http://playingwithsid.blogspot.com/2008/12/introduction-to-copyleft-movement.html

Copyleft symbol

Increase and upgrade your process…

because result is not your business…

wahidyankf