The move also adds to the sense that Amazon is slowly buying up much of the book world. Over some 15 years, the company has bought AbeBooks.com, Audible.com, Brilliance Audio, the Book Depository, Shelfari, BookFinder.com, Lexcycle, BookSurge, CreateSpace, Mobipocket.com and (through AbeBooks) 40% of Library Thing.
More on Amazon’s purchase of bookland.
Amazon Buying Goodreads: Industry Reactions – Shelf Awareness
Pretty impressive list of ownership by Amazon. And by impressive, I mean “thoughtfully frightening sometimes”.