Following competitors' lead, Amazon opens up book borrowing on the Kindle e-reader.
Hart was a college student in 1971 when he first glimpsed the potential of the e-book.
Media controversy won't necessarily jumpstart sales of Christine O'Donnell's book.
Adding cloud technology to the Kindle puts Amazon a step above Apple in the e-reader wars.
Borders looming liquidation will have wide-ranging effect on the book industry. Borders bankruptcy marks the decline of big-box stores it pioneered.
Who thought that reading could be this much fun? Yes, this activity is still timeless, but e-readers (tablet-like devices used for reading electronic versions of books and periodicals) are taking the personal technology world by storm. Many e-readers have been put up for sale, but four companies have emerged to dominate this field. Keep reading to find out who comes out on top!