When textbooks go fully digital what will schools buy? Will they buy individual lessons, units of 2-3 weeks length, or full curriculum that span a year the way they do today? This is the $5 billion question facing our industry.
Mike Shatzkin has an excellent post on this topic over at The Shatzkin Files. His framing is concise and revealing for those of us mapping out strategy for the analog to digital transition in instructional materials.
He was on a working group preparing for a talk about copyright across different publishing markets: