All they had to do was switch out the overpriced proprietary memory cards for micro SD cards that can be obtained cheaply and easily. (blog.us.playstation.com)
If you all didn't participate in that form of theft, then proprietary memory cards wouldn't have been necessary. (blog.us.playstation.com)
Sony's baffling decision to only support its expensive proprietary memory cards made the system pricier than it needed to be, and big studios quickly dropped support. (gamerassaultweekly.com)