Amazon's sales were up but its profits are down, as the company's physical book sales growth slows and it continues to invest in new, digital products.
- Sales: up 22 percent to $21.27 billion in the fourth quarter of 2012, the company reported, or 23 percent higher if difference in foreign exchange rates are excluded.
- Net income: down 45% to only $97 million, or $0.21 per share, compared with $177 million in 2011.
- Versus the predictions: Wall Street predicted earnings of 27 cents a share, down from 38 cents per share in the fourth quarter of 2011, and total revenue of $22 to $23 billion. Sales were expected to jump up from the third quarter, of course, due to the holiday shopping season.
- Kindle Fire HD: It was the most popular item: top selling, most wished-for, and most-gifted. "At year-end, Kindle Fire HD, Kindle Fire, Kindle Paperwhite and Kindle held the top four spots on the Amazon worldwide best seller charts since launch," Amazon said in a statement.
- Kindle authors: 23 Kindle Direct Publishing authors have sold at least 250,000 digital copies copies sold mark in 2012.
- Kindle books: More than 500 KDP Select books have reached the top 100 Kindle best seller lists globally.
- Amazon's digital library: Now includes 23 million movies, TV shows, songs, books, games, and apps -- up four million items from 2011.
- Amazon Prime Instant Video: licensing agreements with movie studios now give Amazon 36,000 movies and TV show episodes to show.

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