Nook outnumbers Kindle in March

Manufacturers' ebook device shipments to Barnes & Noble surpassed those to Amazon in March 2010. B&N's Nook accounted for 53% of e-book players shipped to U.S. vendors last month due to consumers' interest in new products, as Amazon's Kindle has already been on the market for some time, and also to Barnes & Noble's competitive presence with retail outlets across the U.S....