Niall Ferguson's book, "The Square and the Tower: Networks and Power, from the Freemasons to Facebook," explores how prominent thinkers of the eighteenth century acted as early tourists. These individuals not only contributed to the intellectual landscape of their time but also traveled extensively, engaging with different cultures and ideas. This blend of thought and exploration laid the groundwork for modern notions of networking and influence.

The interplay between travel and intellect is highlighted as these great minds studied various social networks and power dynamics, which remain relevant today. Ferguson draws parallels between historical networks and contemporary ones, suggesting that understanding the past is crucial for navigating the complexities of modern society.