This document discusses options for deploying Microsoft Lync, including on-premise, Office 365, and hybrid deployments. It notes that one size does not fit all and different organizations may prefer different deployment models depending on their needs and environment. The document also provides an overview of the key capabilities and benefits of Lync, such as reducing costs through converged communications, increasing employee productivity and customer satisfaction through unified communications and collaboration tools, and extending communications reach through integration with Skype and mobility features.