A study conducted by Skilljar in 2013 revealed that 67% of online learners reported taking a video-based class.46% of teachers said they have actually created at least one video lesson. Edudemic reports that 67% of teachers believe video lessons are very effective at educating students.Recent data shows just how popular video is becoming: Thanks to the popularity of sites like Coursera, Khan Academy, and, online learners are demanding modern, video-based courses that work beautifully across computers, tablets, and smartphones. Video is fast becoming one of the most popular eLearning formats.