I don't think I'm in the minority in saying that being charged for Instapaper would actually be, in some ways, a relief. It transformed how I read online things, brought whole new levels of usability to my iDevices, and while if Marco ever went insane and shut it down I'm sure there would be a million competitors to fill the void.
Very good point there. And with the new Readability project, I'd expect he'd tie any required subscription in with a way to give back to the writers if he did require one. Still, he said the iOS apps are remaining free, so no problem there really.
Has anyone here subscribed to Readability yet and added it to your Instapaper account?
And despite following Marco.org on RSS managed to not notice that! It sounds like it is certainly not being aggressively marketed on established users, but hey, I wasn't kidding above.
But the second he wants me to pony up, I'm in.