I actually hosted Shaun Usher at Google [1]. We had an experiment, not sure if it was successful but it seemed like a good idea at the time, where Googlers read some of the letters.

He courted his wife entirely by letters on paper. This was not pre-Internet days, either; it was around 2000.

[1] https://www.youtube.com/watch?v=Xg7LRg2NAfM&list=PL4ugKP-T4L...