Additional Note: A voice assistant is intelligent software that responds to voice command and can run on any device, including smartphones, speakers, desktops/laptops, tablets, wearables, gaming consoles, TV consoles, VR headsets, cars and IoT devices. Examples include Amazon's Alexa, Apple's Siri, Google Assistant, Microsoft's Cortana and Samsung's Bixby.
Methodology: Estimates are based on the analysis of survey and traffic data from research firms and regulatory agencies, sales projections, historical trends, company-specific data, and demographic and socioeconomic factors.