Wikipedia
Fictionwise
Fictionwise, owned by Barnes & Noble since 2009, was one of the largest electronic book sellers in North America with an estimated 1.5 million ebook content units sold in 2008. Fictionwise sold both encrypted and unencrypted ebooks in various formats (including ePub, eReader, and Mobipocket) that were compatible with computers as well as a wide range of eBook devices, PDAs, and Smartphones.
In November 2012, almost four years after being acquired by Barnes & Noble, the company announced that it was "winding down its business".