Viral Videos

Have you ever wondered why certain videos get shared by lots of people and go viral?  There's an article in this month's Harvard Business Review which examines which factors that make online videos popular:
http://predator.oldwestbury.edu:2048/login?url=http://search.ebscohost.com/login.aspx?direct=true&db=bth&AN=108820738&site=ehost-live

https://hbr.org/2015/09/why-some-videos-go-viral

It gives you some idea of the sorts of things that make a video memorable as well as the factors which go into the decision to share a video via social media.