This is an excellent essay about who DRM-encumbered products and anti-features turn against their owners, corporate greed and why IP hurts customers. Written by Cory Doctorow, who appears to be legitimately pissed that Sony decided to delete purchased Warner content from Playstation customers without refund or pudency.

If buying isn’t owning, piracy isn’t stealing nails it. I find this such a good read, that I will mirror it here.