Tlates tIhat h IV, Bl, intelligent, adaptive, smart, tangible, touchless, and natural. Some of Cmmand, speech, multimodal, invisible, ambie terface types are primarily concerned with a function (e.g. to be intelligent, to be ambient, to be smart), while others focus on the interaction style used (e.g. com be adapti ma hical, multimedia), the input/output device used (e.g. pen-based, speec d), or the platform being designed for (e.g. tablet, mobile, PC, wearable) se . Rather th cover every possible type that has been developed or described, we have chosen to select main types that have emerged over the last 40 years. The interface types are loosely orde in terms of when they were developed. They are numbered to make it easier to find ap ticular one (see Table 6.1 for complete set). It should be noted, however, that this classifi tion is for convenience. The interface entries are not mutually exclusive since some produ can appear in two categories. For example, a smartphone can be considered to have eit a mobile or touch interface. Table 6.1 suggests which interfaces are related or have des h-based, gestu issues in common. Interface type Sce also 1. Command-based 2. WIMP and GUI 3. Multimedia WIMP and web 4. Virtual reality Augmented and mixed reality Multimedia 5. Information visualization and dashboards Mobile and multimedia Mobile Augmented and mixed reality 6. Web 7. Consumer electronics and appliances 8. Mobile 9. Speech 10. Pen 11. Touch 12. Air-based gesture 13. Haptic 14. Multimodal 15. Shareable 16. Tangible 17. Augmented and mixed reality 18. Wearable 19. Robots and drones 20. Brain-computer interaction (BCI) Shareable, touch Shareable, air-based gesture Tangible Multimodal Speech, pen, touch, gesture, and haptic Touch Virtual reality Table 6.1 The types of interfaces covered in this chapter Tlates tIhat h IV, Bl, intelligent, adaptive, smart, tangible, touchless, and natural. Some of Cmmand, speech, multimodal, invisible, ambie terface types are primarily concerned with a function (e.g. to be intelligent, to be ambient, to be smart), while others focus on the interaction style used (e.g. com be adapti ma hical, multimedia), the input/output device used (e.g. pen-based, speec d), or the platform being designed for (e.g. tablet, mobile, PC, wearable) se . Rather th cover every possible type that has been developed or described, we have chosen to select main types that have emerged over the last 40 years. The interface types are loosely orde in terms of when they were developed. They are numbered to make it easier to find ap ticular one (see Table 6.1 for complete set). It should be noted, however, that this classifi tion is for convenience. The interface entries are not mutually exclusive since some produ can appear in two categories. For example, a smartphone can be considered to have eit a mobile or touch interface. Table 6.1 suggests which interfaces are related or have des h-based, gestu issues in common. Interface type Sce also 1. Command-based 2. WIMP and GUI 3. Multimedia WIMP and web 4. Virtual reality Augmented and mixed reality Multimedia 5. Information visualization and dashboards Mobile and multimedia Mobile Augmented and mixed reality 6. Web 7. Consumer electronics and appliances 8. Mobile 9. Speech 10. Pen 11. Touch 12. Air-based gesture 13. Haptic 14. Multimodal 15. Shareable 16. Tangible 17. Augmented and mixed reality 18. Wearable 19. Robots and drones 20. Brain-computer interaction (BCI) Shareable, touch Shareable, air-based gesture Tangible Multimodal Speech, pen, touch, gesture, and haptic Touch Virtual reality Table 6.1 The types of interfaces covered in this chapter