If you're an educator, or someone whose job it is to make technology work in the classroom, you're no stranger to change. As the Internet and new software and hardware, from smartphones to netbooks to tablets, become ubiquitous in our schools - in many cases supplanting such back-to-school staples as lined notebook paper and No. 2 pencils - the art of education has also evolved.

Lesson plans, once replicated year after year in classrooms, now contain increasingly interactive components that change and grow alongside the technologies on which they are delivered. ...