You can learn about online! I was over at The Letter Writers Alliance catching up when I discovered this really great Letter Project! Basically it is a simple service to receive a handwritten letter in the mail.
There isn't any charge or catch. No subscription or anything owed in return. Just a self fulfilling project that enables you to enjoy the simple satisfaction of receiving a letter in the mail!
I've already requested one. The curator seems like a wonderful writer just from reading his intro as to why he started the project. I am so excited to receive a letter from him!