Well, the way we buy textbooks is changing. Campus Book Rentals is a website that lets you rent the textbooks you need at a fraction of the cost! They even cover shipping and handling both ways.
They also have a program called RentBack that will help you rent out your own used textbooks to other students in need, allowing you to earn more money back than you would if you did sell it.
Forbes Magazine has even called Campus Book Rentals "One of America's most promising companies...", but what really grabbed my attention was Operation Smile. You see, Operation Smile is a non-profit organization that provides free cleft lip and pallet surgery for children all around the world, and Campus Book Rentals donates a percentage of every rental to the organization.
So, if you know someone, check it out for yourself! As for myself, I'm going to pull out those math books and see if I can rent them back! Here's a short video that explains the company oh-so-well...
Full Disclosure: I was compensated for this post but all opinions are my own.