The 9 full papers included in this book were carefully reviewed and selected from 25 submissions. They were organized in topical sections as follows: ​Usability and UX; interaction techniques and accesibility; and technologies, services, and applications for interactive digital TV.

The 9 full papers included in this book were carefully reviewed and selected from 25 submissions. They were organized in topical sections as follows: ​Usability and UX; interaction techniques and accesibility; and technologies, services, and applications for interactive digital TV.

The 9 full papers included in this book were carefully reviewed and selected from 25 submissions. They were organized in topical sections as follows: ​Usability and UX; interaction techniques and accesibility; and technologies, services, and applications for interactive digital TV.