The Sharing Economy
Goodreads has an excellent app for quickly adding your books to your library by scanning their ISBN barcodes with your phone camera:
Lenro will import your Goodreads library and list them for lending. You can search by zipcode for books to borrow in your area!
For example, here is my library in Lenro.
http://fortune.com/2012/10/03/11-sites-that-want-to-rule-the-share-economy/ yerdle.com skillshare.com getable.com getaround.com parkatmyhouse.com lyft.me taskrabbit.com vayable.com dogvacay.com chegg.com renttherunway.com peerby