"Keep a notebook. Travel with it, eat with it, sleep with it. Slap into it every stray thought that flutters up into your brain." - Jack London Write Ideas Commonplace books are a way to compile knowledge. Its a personal repository of stuff you come across and find interesting. By writing the information in a book, you are more likely to remember it and you have a record of it to refer to. Its a scrapbook. Fill with whatever catches your fancy:...