Given the increasingly interactive, dynamic, and cost-effective online learning platforms that are available, as well as studies that demonstrate the efficacy of online and blended learning, museums should consider how these new formats may complement their existing educational programs. Besides offering new possibilities for education, online learning also offers new streams of revenue and may reduce direct costs of in-person programs. Museums should consider both the educational and economic value of online learning, and how these 21st century approaches may help support their goals and mission. (Contains 4 figures and 7 notes.)