[ska]

It's definitely not a solved problem in general, especially in realtime.

It's a lot easier to get started on something interesting and maybe even useful than it was even 10 years ago.

A lot of the "ah we can just use X API" falls apart pretty fast when you do risk analysis on a real system. Lots of these APIs are do a decent job most of the time under somewhat ideal conditions, beyond that things get hairy.