Preface -- Introduction to Everyday Virtual and Augmented Reality -- XR for Knowledge Work in Everyday Environments -- The Use of MR for Temporal Coordination in Everyday Work Context -- Rotational and Positional Jitter in Virtual Reality Interaction in Everyday VR -- Development and Validation of a Mixed Reality Exergaming Platform for Fitness Training of Older Adults -- Networked Virtual Reality and Enhanced Sensing for Remote Classes and Presentations -- 7 Enhancing Multisensory Experience and Brand Value: Key Determinants for Extended, Augmented, and Virtual Reality Marketing Applications -- Immersive VR Evaluations -- Adaptive Virtual Neuroarchitecture.