Virtualization today is one of the hot topics in storage management. It offers hope to alleviate many of the operational and cost pains associated with the acquisition and ongoing administration of an increasingly complex storage world.
There are a few organizations of 20 people that have major storage requirements. These are extremely specialized companies and, with such a high dependence on IT and data storage, they usually have SAN capabilities.
The vast majority of small organizations use DAS. Some may have some form of networked storage and a small percentage may have major storage requirements.