1) Viral video 
Prancercise is a holistic fitness method based on `a springy, rhythmic way of moving forward, similar to a horse’s gait and ideally induced by elation` created by Joanna Rohrback. It has been compared to the low-impact aerobics that were popularized by 1980s workout videos. Many parodies were created in reaction to Joanna’a original video, w.....