He isn't pining for a smart phone yet, nor do his friends seem to generally own them, so that wouldn't be the motivation but I can understand how it would be a good intermediate step. Gradually increasing access to these technologies and educating them along the way makes sense to me, rather than passing the child the firehose when they turn a certain magical age.
And, wow, actual separate windows for things! I am constantly frustrated by Slack’s inability to show more than one conversation at a time.
In grad school (molecular biology/genetics), various lab members would return from scientific conferences and the most common comment was "You should have heard <so-and-so's research talk>. She had a great story."
It made an impression on me. You can do the best research, make the best product, write the cleanest code, etc. But you will suffer if you can't tell the story.
Anecdata: I've been using mariadb as a drop in mysql replacement for over 5 years in production, and it's been working seamlessly.
I'm no DB expert, and perhaps my use case isn't complex enough or written in a highly mysql dependent way - but I felt like someone should chime in since there's not much positivity toward mariadb in this thread so far. I'd be interested to hear from some other people with actual mariadb experience.