Smiling Faces

you can keep it in a library or something, and when you want to see some particular town???s people???s smiling faces you can go and check that section of the film. We can also arrange it with a television network so that whenever you want to see faces of a particular location in the world, all you have to do is to press a button and there it is.

This way, if Johnson wants to see what sort of people he killed in Vietnam that day, he only has to turn the channel.

via Joko Ono - 1967

see also the detailed instructions How to ... SMILE -- you can also participate in the Smiling Face Film Project at their flickr group page