Amazon’s “Ad-supported” approach would quickly wear thin with me. Mind you paying US$20 to remove advertising seems reasonable – a 15% premium over the free version.

It brings up an interesting point. If the lifetime value of ads on a reading device is worth just US$20 to Amazon, which is in the business of flogging stuff online, it says a lot about the what’s going on in the world of advertising supported online newspapers and magazines.…