Re: sniff!
Their old DOS character based menu UI, the TIN newsreader and lynx browser, where I had to run image binaries through a mime decoder to see the picture.
My US Robotics modem used to connect and if I got an extra long glow on one the RX LED I knew there was email for me.
When I first set it up, there were instructions on how to connect an ftp session to a server in the USA. I didn't believe it was real.