2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/165925A simple model for simulating tug of war game as varying the player number in a team is discussed to identify the slow pace of fast change. This model shows that a large number of information sources leads slow change for the system. Also, we introduce an opinion diffusion model including the effect of a high degree of clustering. This model shows that the de facto standard and lock-in effect, well-known phenomena in economics and business management, can be explained by the network clusters.11 pages, 2 figuresPhysics and Societytext