43 Folders has a post about Rules of Thumb, a series of books containing, er, rules of thumb.
Keeping Yourself in Shoes - If you switch back and forth among three pairs of shoes, they will last as long as five pairs of shoes worn out one pair at a time.
There’s a plea for the books to be republished. I hope they are.
Webmentions allow conversations across the web, based on a web standard. They are a powerful building block for the decentralized social web.