This book offers a thorough exploration of interaction design by examining various technologies, interaction techniques, styles, and devices. This book ? Assists readers in acquiring a deep understanding of diverse ways humans interact with computer technologies and in selecting the most suitable approach for various interactive scenarios. ? Introduces cutting?edge interaction techniques, including multimodal and gesture?based interaction, wearables, haptic, speech and sound?based interaction, embodied interaction, and more. ? Advances beyond traditional interfaces to large and multiscreen interactions, proxemics, brain?computer interfaces, affective computing and Extended Reality. This book will appeal to individuals interested in Human-Computer Interaction research and applications.