How and why digital video is used in viral marketing

Videos on Facebook can be uploaded easily and can also be shared by friends that you have on Facebook. Instagram has a repost option where you can repost what someone else has put on. Twitter is similar to Facebook as you can retweet what someone has tweeted. YouTube has an option to share a video onto other forms of social media like Facebook. Other forms of social media like Vine and Tumblr are used for sharing vines. Marketing is used in these forms of social media because lots of people use social media and it is easy to upload and share videos.