Global smart speaker unit shipment 2016-2019, by vendor

Number of Amazon Alexa compatible smart home devices 2017-2020

Growth of brands compatible with Amazon Alexa 2020

Growth of Amazon Alexa skills from 2016 to 2019

Google Assistant: number of supported smart home devices worldwide 2019

Number of Google Assistant actions worldwide 2019, by language

Automated transcription usage worldwide 2020, by industry and frequency

Leading factors influencing speech-to-text service provider choice worldwide 2020

Automated transcription use expectations worldwide 2020, by industry

Speech-to text automated transcription spending level 2020, by industry

AI funding worldwide cumulative through June 2019, by category

Artificial Intelligence and cognitive systems revenues worldwide 2015-2023

AI and machine learning: most used API types 2019

Number of conversational AI M&A deals worldwide 2016-2019

Big data and analytics software market worldwide 2011-2018

Share of individuals using selected digital assistants worldwide 2019

Smart speaker purchasing preference worldwide 2019

Concerns about digital assistants worldwide 2019

Ways to engage with voice technologies worldwide 2019

Consumer preference for a single integrated voice assistant 2019, by country

Ways to use smart speakers for home management worldwide 2019

Ways people accidentally access voice assistant in the U.S. 2020

Preferred ways of engaging with digital assistants worldwide 2019

Purchase intentions using digital assistants or smart home speakers worldwide 2019

Consumer satisfaction with digital assistants worldwide 2019

Speech-to-Text transcript accuracy rate among leading companies 2020

Digital assistant performance comparison 2019

Digital assistant performance comparison 2017-2019

Digital assistant performance comparison 2019, by category

Companies developing voice-enabled tech in the U.S. 2019, by platform

Technologies voice-enabled functions are developed for among U.S. companies 2019

Companies' prioritized new voice-enabled interactions in the U.S. 2019

Business benefits from voice assistants worldwide 2019, by sector

Companies' investments in voice technology in the U.S. 2019

Barriers to develop voice enabled apps among companies in the U.S. 2019