Physicist suggests you can reach any internet page with 19 clicks or less

Albert-L szl Barab si believes that, regardless of what you're doing on the internet at any given moment, you can reach virtually any web page in 19 or fewer clicks. The Hungarian physicist put together a simulated model of the world wide web — currently estimated to exceed 14 billion unique pages — hoping to strengthen his understanding of the relationship between all that data. Barab si describes the web as an information network where documents (over one trillion, according to the professor's estimate) serve as "nodes." "Other well-known network structures include the Internet, a physical network where the nodes are routers and the links are physical connections, and organizations, where the nodes are people and the links...