The Notes App is an auto-downloaded application on iPhone, iMac and iPad which functions as a digital substitute for writing down a note. This application facilitates several of the concepts discussed in Chapter 2, including: routine in that the app is accessible across apple devices and can synchronize notes across devices such that a user can simply jot down a note any time they have an Apple product handy, evidently economizing on brain cycles and physical effort, while also saving money on a notebook.