There's a lot of people in today's lucky 10,000[1]. "Terminal Bell" is a rarely used feature nowadays, because we've grown out of it, and yet - It's commonly supported. Hopefully from this a few young hackers will get the itch to go a little deeper into how our terminals are represented.

[1]https://xkcd.com/1053/

I remember learning about this in the 80's, when I got my first modem.