We've not been using IPv6 long enough yet to tell. For all we know today, how many man-hours might get saved just from not having to deal with NAT? How many eng

We've not been using IPv6 long enough yet to tell. For all we know today, how many man-hours might get saved just from not having to deal with NAT? How many engineers won't need to learn that STUN and TURN were things? What new apps might get built if real and easy peer-to-peer is possible? We haven't had time to realize the gains. On Python 3, I'm okay with having more discussions about some line thats failing at a byte/unicode boundary, instead of the "your entire design ignored the unicode/byte distinction, but mostly worked until now, and you've unwittingly built a mountain of technical debt." The language, going forward, encourages the correct behavior. Now if only my co-workers would stop working on that mountain long enough to switch to it…