Group 4 presented on changing business models at Dell. The document discussed Dell's origins starting as a dorm room business and its transition to a direct sales model. It then summarized Dell's growth in the 1990s and 2000s, attributed to its efficient direct model and early adoption of e-commerce. However, the PC market began shrinking in the late 2000s. The document analyzed Dell's transition to a hybrid direct/indirect model starting in 2007 to address a maturing market. It compared the benefits of Dell's original direct model versus the new hybrid approach.