Look, a wall plug! That's new for Kinect v2 as of this week. On Wednesday, Microsoft announced more ways for PC developers to make and promote apps that utilize the upgraded Kinect v2 sensor, which debuted with the Xbox One nearly one year ago. The biggest news came in the form of the first public Software Development Kit (SDK) for the sensor, The free download came after nearly a year of access for "preview program participants," and Microsoft opted to wave fees for the creators of commercial products made with the SDK.