Digital books and music are often different from their physical counterparts in that consumers buy licences to a work, revocable under an ongoing contract, rather than their own copies.
book buy consumer
Jonathan Zittrain
These are some quotes by American author Jonathan Zittrain Educator, who was born on December 24, 1969.
Quotes by Jonathan Zittrain
I don't know how much thought is behind it, but it seems to me highly effective the way that Facebook will let somebody tag a photo with a friend's name, then others who are a friend of that friend can perhaps immediately see the photo, and the friend, in the meantime, has a chance to wander back and un-tag it.
