With the new operating system, Microsoft is offering plenty of new graphics tricks, including translucent windows, animated flips between open programs and "live icons" that show a graphical representation of the file in question.
But before Vista will display its showiest side, known as Aero, it will run a check to make sure the software was properly purchased."
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And I think thats a good thing. Wouldn’t you consider it unfair paying for the software while others just download off torrent sites without any cost to them?