Chegg.com

If there's one thing college students hate more than going to class without a laptop or smartphone, it's paying full price for a $400 textbook they'll barely crack. Although the iPad will be pricey, it may usher a new age of digital textbook adoption to campus.

No doubt inspired by the success of sites like Chegg.com and BookRenter.com, Barnes & Noble has entered the textbook rental fray. In a press release, the company announced that "Barnes & Noble College has made the program easy for students, enabling them to rent their textbooks from the...