Video has been an important instructional asset for more than half a century. Broadcast television has been used to effectively teach everything from basic literacy and numeracy (e.g., Sesame Street) to university courses for credit (e.g., Sunrise Semester). More recently, digital videos presented on the internet have gained in popularity. Websites such as https://Lynda.com">Lynda.com and Khan Academy are examples of vast collections of digital videos that provide instruction on topics ranging from song writing to electrical engineering.