Let the information be slower and feel more.

Text messages, text messages, to later voice
Indeed, fast is the most efficient expression of information transmission.
This time, the design thinking is the other side of the information.
Touch.
Because of our generation, the understanding of writing letters has become very abstract.
I think the only experience you have to write letters should be between the time of study and the male and female students.
You can keep the letter written to you by the other party and put it in the book. It is something that has temperature, emotion, and the taste of the other party's pen and ink.
I put this idea in the "mailbox". It is actually an electronic device that can write letters from one side and scan and convey it to the other side.
Let the information be slower and feel more.