Craig McMurtry and Marc Mercuri are members of Microsoft’s Evangelism team tasked with telling the world about the technology. As such, the authors have exclusive access to the very designers and developers that are producing the technology, as well as to early releases thereof. That access provides insights into features and application of the technology that others do not have, as well as knowledge of how the technology will evolve, and familiarity with best practices that are only just being formulated by the testing teams.