As the Chief Information Officer (CIO) of a rapidly growing media company, you are tasked with devising a cloud storage strategy to accommodate an expanding repository of digital assets, such as videos, images, and documents. These assets are unstructured in nature and are expected to grow exponentially. The chosen cloud storage solution must offer high durability, easy accessibility, and cost-effective scalability. Given these requirements, which cloud storage model should you select to efficiently manage the storage and retrieval of these unstructured data assets, and what are the advantages of this model over others for your specific use case?