If anyone else is curious now, this is one of the first Google results I found and quite the delightful, in-depth read explaining it: https://www.10stripe.com/

If anyone else is curious now, this is one of the first Google results I found and quite the delightful, in-depth read explaining it: https://www.10stripe.com/articles/why-is-56k-the-fastest-dialup-modem-speed.php https://www.10stripe.com/articles/why-is-56k-the-fastest-dia...