[holografix]

I remember back in the early days of shareware and freeware apps and games where the developer would ask for a postcard if you enjoyed the app!

If I ever develop something really small and useful one day I’d love to get post cards from around the world!

[majewsky]

I actually thought about adding a similar remark to my programs' READMEs just today, but I don't particularly want my snail-mail address floating around the internet any more than necessary. (Maybe I'll get a postbox, if that's not too expensive.)

[cpv]

Still can be found https://news.ycombinator.com/item?id=15709248