When I was a snot-nosed kid in 1981 with my fancy Ohio Scientific C1P, educational software vendors were already hawking textbook complements for the Apple II, Commodore PET, and TRS-80. Today, the object is to replace textbooks altogether while enhancing them beyond what paper can manage. As a grizzled and cynical . . . → Read More: Apple’s textbook plan feels like a blast from the past