It’s a twist on the random acts of kindness idea. You can write these letters to people you already know,friends, family, acquaintances or total strangers.
The letters can be geared specifically towards the person you are writing to if you know them, or just a brief note of encouragement to whoever finds it. They have tips on how to get started on their site to which I’m sure I will be referring.
It sounds like something fun, and rewarding, to do. Pay it foward time! yay!