ActiveWin has put up an article about Windows XP Product Activation
Over 36% of software in the world is pirated. Out of this, over 50% is due to what Microsoft calls casual copying. We all know what this is and in some insignificant way, at one time or another most users have participated in it. It has nothing to do with cracking software or disk cloning. It is simply the act of installing the same piece of software from its installation disks on more computers than your EULA allows. This could be something like loaning it to a friend or even just installing the same software on two computers in your home or office.Read more
