00:26 The role and importance of the supply chain 05:01 Different models of supply chain development over time 09:28 Dell changed its model of supply chain to meet unique customer requirements. 13:12 Challenges of supply chain analytics 16:57 Bullwhip effect is a threat to supply chain profitability. 20:40 Wars between competitors pose challenges to the supply chain 24:51 Supply chain analytics helps in making rational decisions 28:14 Data related to place, timing, and usage of products is crucial for efficient decision-making in supply chain management.