In most networks, there are elements that have a huge amount of direct connections to others, and these individuals tend to be rather important. They are called super-spreaders or hubs.
Have you ever wondered what makes a video go viral? Or how it is possible that they can spread so quickly? Maybe you didn't (that's fine), but many economists, marketeers, and even mathematicians have wondered.
Friends influence each other in their opinion of many aspects of life. In this video we describe how the level of connectedness in a social network relates to the extent in which individuals in it influence each other.
