This video is really informative I didn't know sugar could effect our brain and makes us addict but the positive point of this addiction is that we can get rid of this easier than other addictions.

The video shows that if people have the same emotions and interest they share the same video or picture with their friends and the video becomes popular. The video has relate with the example of flu when someone sneezes it can spread to lots of people the video also becomes viral in the same way.