The push to "personalize" education is on, with more Silicon Valley disrupters jumping into the big money fray every week. But as Jennifer Berkshire and Jack Schneider discuss with guest Bill Fitzgerald, the search for a technological cure for what ails our public schools goes way back. And by failing to heed the past, the new breed of disrupters--Mark Zuckerberg, Reed Hastings, et al--are poised to repeat it.