2. Nook:
Barnes & Noble Inc.’s (NYSE: BKS) e-reader was destined to struggle from the start. It was launched in October 2009, roughly two years after Amazon.com’s Kindle, which was, and has remained, the market leader. Both products were hit by competition from Apple’s iPad before the e-reader business even hit its stride. Adoption of tablets is forecast to grow 69.8% in 2013, while e-readers are expected to drop 27%