Play To is often an unsung advantage of Windows 8; it's the key to spreading media throughout the home without jumping through hoops, much like Apple's AirPlay or the more universal Miracast. Microsoft wants those quieter Windows advocates to pipe up a bit. It just posted a sweeping developer overview of Play To support that addresses the basics and dives into the nitty-gritty details. The biggest takeaway may be that programmers sometimes don't have