Weak ties are one of the key elements in breaking through bottlenecks. Logically, this concept should be timeless and not tied to ancient or modern societies, as it is a consistent truth of human interaction. However, whether this truth was more easily recognized in the past is another matter. That said, I’ve never lived in ancient times, so I can only speculate on a few points:It may have been discovered in the past, but the knowledge wasn’t widely spread. In the past, transportation and com...