In my making-of video for "TANK," I heaped praise on an iOS app called Quadro that I’d used to create a custom iPad control surface for my common After Effects tasks. Days after posting the video, Quadro announced that they were shutting down the app, having “not been able to build a solid business structure around it.” This saddened me on many levels — both as a disappointed user, and also as yet another all-too-familiar tale of a developer with a cool, niche product, unable to connect with a paying audience.