The document discusses challenge-based learning and its intersection with educational technology. It promotes challenge-based learning as a hands-on, problem-solving approach that engages students through broad challenges involving inquiry, decision-making, and real-world applications. When designed using Understanding by Design principles, challenge-based learning can provide choice, ownership, and opportunities for students to demonstrate their understanding through performance-based assessments involving complex, multistage projects. The document advocates for challenge-based learning as a way to make curriculum more student-centered and technology-rich.