To leave a memory, just zoom in nice and close and double tap on the place where you want to leave it.
A new marker will appear and a box will open for you to type in your memory (if it doens't just tap the marker).
Bing the Happy is an attempt by Invisible Flock to map the happiness of the world. The stories on this map have been given to us, either at our installations or right here online. They are not ours, they are wide ranging, sometimes epic, sometimes mundane, always uncensored and there are over 4000 of them.
To find out more about Bring the Happy and our live show go here. You can submit your own memory to Bring the Happy, click on the help tab for instructions.