All browsers on iOS must use the same WebKit rendering engine, and the error you quoted is quite rare in practice (I can't even remember the last time I saw it on iOS).
If the Amazon warehouses become fully automated and a big group of people lose their jobs and there's no safety net, the warehouses will be burned to the ground within 24 hours.
It definitely won't of course, and I'm not saying it's right, but people who think that a mass people-to-automaton transition is going to go smoothly without a plan in place for the 'people' may lack perspective.
Sure is: Festival, HTS, Merlin, and a gaggle of wavenet implementations. You'll have to put in some work, it's not turnkey, but you can get some really good results.
It's a small spoonful, I don't find it hard. You can certainly find things it will mix with (like yogurt, peanut butter, or honey) but it is really in another league when it comes to staining things, and I don't find that worth the trouble.
This was kind of the target of the 2016 Blizzard Challenge (http://festvox.org/blizzard/blizzard2016.html), as the training data was children's books (clean audio, 'reading voice' prosody, etc).
Some of the voices that came out of that were incredible.
I'm not sure - the exact voices themselves generally aren't published, but the papers are detailed enough that you could recreate the system if you wanted.