Sharing is the standard in society, a lot of sharing communities rise up. You can share your experience, clothes, knowledge, materials, food and go on. You can also share your books online and offline.
With Bookcrossing you can give an identity to a book. BCIDs are BookCrossing ID numbers and when you sign up on their site you can follow your book through this code. You can leave your book at public spaces such as train stations, libraries, in a restaurant, etc.. Your book gets a bigger story as it further travels around the world. When you open a book you’ve found, there is a story in it and the BCID code which you can register on the site. So you can see where the book already has been.
The Little Free Library is a movement which began in America. They’re small bookcases which you can put outside your front door and put books in it. Passersby can then exchange books. You can connect to the movement online for free and will be shown at a great world map. So you can get in contact with individuals and professionals. The Little Free Library is a DIY project and you can design it in however you want.