During the technology boom of the 1980s and 1990s, computers seemed set to revolutionize education. Do any of these promises sound familiar? * Technology would help all students learn better, thanks to multimedia programs capable of adapting to individual needs, learning styles, and skill levels.* Technology would transform the teacher's role from a purveyor of a one-size-fits-all curriculum to a facilitator of student exploration.* Technology would replace static textbooks with dynamic,...