The document discusses the potential of cellphones as learning tools in contrast to their traditional use as distractions. While cellphones allow informal, active learning through connectivity and social interaction, schools typically focus on formal, passive learning. The document also outlines several South African educational projects that leverage cellphones, such as a math tutoring service and an interactive game to improve girls' math skills. However, it notes challenges like distraction, antisocial behavior, and costs that must be addressed to fully exploit cellphones' educational affordances.