Joe, I realize your audience is namely trade publishers and their partners, but do you see some of the adaptive learning relationships in Higher Ed publishing (Learnsmart with McGraw-Hill, Acrobatiq, Cerego, etc) as innovative around personalized learning? I definitely think that combining publisher content with these engines will make a better learning experience for students/learners. Part of the challenge in digital publishing is that the reading experience still does not stand out. Students are online and mobile perpetually, yet publishers are still in the infancy of making the digital experience comparable to other forms of digital consumption. A work in progress.