Here’s some great thinking about user interfaces and the value of less is more.They found that elderly people were interested in reliving old memories, so-
“We decided to build a radio, that could go back in time. Instead of having a frequency scale, this radio has a time scale. Turn the knob back to the year you would like to get refreshed, and the radio will start playing content from that period. If you only want to listen to specific types of content, there is a knob for selecting that, e.g. news, radio-theater or classical music.” The “news” would be bbc and other archives. From the photos of the mockups, the object looks like a radio with a screen and a few simple knobs.