Things have changed and now the Nook represents a real threat to users because of its invasive DRM, close relationship with DRM champions Adobe, and because of its use of the Android operating system -- which might lead many to think the Nook is not defective by design.

"The Free Software Foundation's Defective By Design campaign just added the Amazon Kindle to its list of DRM-related offenders. The organization started a petition against Amazon for restricting readers' access to their own books and effectively discouraging reading options..."

The Free Software Foundation's DefectiveByDesign.org campaign, in cooperation with prominent authors, journalists, and librarians, has launched a petition against the Amazon Kindle's use of digital restrictions management (DRM).

Consider the legal difference between purchasing a physical book and buying one for your Kindle. When you walk into your local Barnes & Noble to pick up a paperback of Animal Farm, the store doesn't force you to sign a contract limiting your rights.

Apparently, the publisher [Amazon] changed its mind about having electronic versions of Orwell's books. So Amazon removed them from the store and in the process remotely deleted the books from the Kindles of anyone who bought them, depositing a refund in their account in the process.

It was unfortunately reported yesterday by a number of sources that Amazon had released the source code for the software running on the Kindle DX.
This isn’t all of the Kindle source code. It’s a selection released in order to comply with the license requirements of the code originally written by other people (like the GNU Project) which Amazon modified for its own purposes.

As you've probably seen, there is concern over Amazon's plans to pull the text-to-voice capability of the Kindle e-book reader, because of misguided pressure from authors groups in the US.

"Amazon's e-book device means an ugly future for book lovers." -- RMS