Mark Zuckerberg, along with his wife, Priscilla Chan, recently announced plans to devote as much as $45 billion a broad range of education, health, and community priorities. Zuckerberg has made it known that he’s keenly interested in backing strategies in education that support “personalized learning” through technology. But what specific types of personalized strategies are likely to receive his investment, and how will this shape the K-12 market, overall?