Backwards compatibility has always been a problem for the games industry. It is one of the limitations that has kept and still keeps videogames from becoming a form of entertainment or art even to rival music or movies. The cyclical nature of the industry with each upcoming generation rarely supporting the previous generations does not help either. Sony promised a while back that its own systems will always support backwards compatibility. Of course as with many promises this one proved empty and the company introduced a cheaper non-PS2 compatible Playstation 3 which will eventually be the version that sells the most.