Virtual Digital Assistant (VDA) Market by Product (Chatbots and IVA Smart Speakers), By User Interface (Text-based, Text-to-speech based, and Automatic Speech Recognition), By Application (Customer Service, Marketing Assistant, E-commerce and Sales, E-learning, Tax Filing and Processing, and Others), By End user (Enterprise VDA and Consumer VDA) - Global Opportunity Analysis and Industry Forecast, 2022 – 2030
