http://www.destructoid.com/playstation-...ks-freezing-up-on-purpose--28860.phtml
A Sony rep has claimed to Destructoid that demo PS3 units in kiosks across the country were built to freeze up on purpose. From the article: "We do that so that people won't play it all day long," he explained. "Specifically during Motorstorm, we made it freeze up a lot.