Florian 'floe' Echtler@whitequark that sounds very promising, I still have a 2nd gen Kindle which Amazon is doing their best to kill. Did you look at anything that would also let you annotate PDFs?
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.