books.google.com - You undoubtedly know what a paperclip is and how to use it, but did you know that during the Second World War the people of Norway adopted paperclips as a symbol of protest against the occupying Nazis? Really Useful tells these and other stories of how the things we use every day came into being.As much...http://books.google.com/books/about/Really_Useful_the_Origins_of_Everyday_Th.html?id=fyBb_Xh5hqIC&utm_source=gb-gplus-shareReally Useful* : *the Origins of Everyday Things