Chapter 1: Introduction - What is VUI Chapter Goal: defines VUI, its history and present day technology No of pages 10 Sub -Topics 1. What is VUI? 2. When did it all start? 3. The journey 4. Current day Chapter 2: Modern day VUI landscape Chapter Goal: understanding how major players are going forward with their VUI and device strategy No of pages : 25 Sub - Topics 1. Major players and their unique positions 2. Direction towards world domination 3. Device strategy of major players 4. Integration of AR, VR, digital assistance Chapter 3: Principles of VUI Chapter Goal: laying down the guiding principles to create a delightful VUI No of pages : 70 - 150 Sub - Topics: 5. Principles with associated examples This might be broken down into 5 separate chapters. Chapter 4: Multi modal interaction Chapter Goal: understanding an ecosystem where different modes of interaction takes place across devices simultaneously. No of pages : 50 - 70 Sub - Topics: 1. GUI model and examples 2. GUI + VUI as a model with examples 3. VUI only as a model with examples 4 . Challenges Chapter 5: Future Ahead Chapter Goal: giving an idea of the plethora of use cases, scenarios where VUI will affect human lives. 1. An idea about future tech 2. Imagining a future case with the reader 3. Creating potential scenarios, solving for VUI sakriti opis