Amazon has just expanded the potential audience for its ebook format by a few orders of magnitude with the Beta release of its free Kindle for PC application. Doing exactly what it says on the (imaginary) tin, this will allow you to read the locked-down Kindle format on your Windows weapon of choice, though Mac users are left with merely the "coming soon" message you see above. Given that you'll now be able to consume Amazon's ebooks on your PC and iPhone, there's a risk that people might entirely sidestep the
