Really nice and useful work, longzheng! If you like these kind of services and want to be able to convert any RSS feed (not just HN) into a TTS-spoken podcast,

Really nice and useful work, longzheng! If you like these kind of services and want to be able to convert any RSS feed (not just HN) into a TTS-spoken podcast, check out the somewhat similar site podcastomatic.com. I use it to kill my daily commute by listening to TTS-spoken blogs :)