Content vs. Readers/devices

Content format:

   html?  pdf? epub? kindle? xml? 

Devices

   Kindle, Nook, IPad, etc.

Is the content compatible with the reader?

   with multiple readers?

Is the ebook available only to a single user at one time? 

   or to multiple users?

Content type: current? historical? reference? textbook?

Is printing possible?  How?  How much?

Is the content owned or leased?

How is the content priced? Single user / Multi user / Multiplier /

Publisher revenue streams

Acquired from publisher?   aggregator (Ebsco, Ebrary, EBL)?

Demand driven acquisition?

Is the ebook published simultaneously with the print?  Or delayed?

Licensing? Digital rights? Interlibrary loan? Course reserve?

What about preservation?  Rights?  Responsibilities?  Access fees?