I went to a ramen place in Tokyo and to order ramen you had to insert money and place your order via this machine. This felt like going back to the early 90s but in a way that we are definitely not used to in western countries. It had a very retro futuristic vibe!
In Kyūshū I saw a supermarket have out a public rotary dial telephone. It was in a relatively new supermarket. The supermarket even published diagrams instructing people on how to use it, right next to the phone, to demonstrate that these almost-obsolete devices still had utility in 2018.