In practice today, IP basically is just IPv4. And that won't really change until IPv6 is supported by more than a comparatively small handful of networks and users.
Make people aware that v4 is history and present. Sure, we currently have to deal with it, but v6 and v4 should be treated equally. Esp. when talking about problems v6 solves.
IPv6 is here. If you're setting up a new service today without it you should be shot.
[0] https://www.dropbox.com/s/doazzo5ygu3idna/WorldIPv6Congress-...