The document discusses the driving factors behind virtual desktop infrastructure (VDI) in businesses, emphasizing the shift to desktop virtualization due to increasing mobility, changing device ownership, and the need for improved data security. It highlights the benefits of VDI such as enhanced user flexibility, reduced costs, and increased management efficiency, while also introducing VMware's ThinApp and Horizon platforms for application delivery and data management. The content outlines various strategies for successful implementation of virtual desktops in a post-PC era, underlining the importance of a comprehensive assessment process for transitioning to a virtualized environment.