I still actively use modems when I'm away. My ISP doesn't allow incoming connections unless I pay an extra $70/month for a business-level connection at the same awful 40/5 fiber speed but nothing says that for text-only services I can't dial in.

The SGI O2 in my bedroom has a SupraFAX hung off serial port 1 that I can remotely dial into for Lynx, mail, IRC and telnet/SSH into other machines. I wish I had a photo of it but back in June I borrowed a friend's Tandy 100 portable and his acoustic cups and from the Granville SkyTrain station I dialed in to ask someone for directions over IRC.