I have wrangled another SF Signal Mind Meld, this time on food in SF versus Fantasy.
With respondents like Laura Anne Gilman, Violette Malan, Judith Tarr, and more, it might be of interest:
http://www.sfsignal.com/archives/2013/02/mind-meld-food-in-science-fiction-versus-fantasy/

Over at SF Signal today is the Patrick Hester recorded podcast we recorded last week on the topic of SF Readers vs. Fantasy Readers. Panelists for this week’s podcast include( besides Patrick)
Jeff Patterson
Jay Garmon
Josh Vogt
Jamie Todd Rubin
(That’s a lotta J’s!)
and of course, me.

Since everyone is talking about the story, here is the link to the actual patent Amazon has on used ebooks:

I have no legal training, so any analysis I have would not be useful.