Updated Hackers from the US and Israel say they have broken copyright protections built in to Amazon's Kindle for PC, a feat that allows ebooks stored on the application to work with other devices.
The hack began as an open challenge in
this (translated) forum for participants to come up with a way to make ebooks published in Amazon's proprietary format display on competing readers. Eight days later, users going by the handles Labba and i♥cabbages had a working program that did just that.