How to use a telephone
This reminds me of the very first guides that appeared when people started using email. I guess we will see this type of guides for "How to use a blog" and in ten years people will have forgotten that we used to live without blogs, like email... Just a guess...

"How to Make Friends By Telephone" is a 1940s instructional booklet on using the new telephonic device network. Here's a scanned version -- it's a hoot.
via Boing Boing Blog








