On #1, that's a simple interface problem. What if you could tap to pause, swipe left to go back 5sec, swipe w/ 2 fingers to go back 15 seconds, &c? I've used

On #1, that's a simple interface problem. What if you could tap to pause, swipe left to go back 5sec, swipe w/ 2 fingers to go back 15 seconds, &c? I've used RSVP a fair bit. It's not for pleasure reading. It's for very quickly deserializing info.