https://finance.yahoo.com/news/amazon-alexa-google-assistant-duke-ces-2018-133647634.html

Some of those devices made sense, yet many more — an Alexa-enabled mirror or Google Assistant smart lock, for instance — seemed more like mere marketing ploys to take advantage of the latest technological trends. But taken as a whole, they were a stark reminder that voice-controlled devices and appliances will play a large role in our lives in the coming years. More than 5 billion consumer devices supporting digital assistants like Alexa and Google Assistant will be in use in 2018, with almost 3 billion more added by 2021, according to IHS Markit. Of those devices, 39 million will be smart speakers, up from 27 million units shipped in 2017." data-reactid="37">Some of those devices made sense, yet many more — an Alexa-enabled mirror or Google Assistant smart lock, for instance — seemed more like mere marketing ploys to take advantage of the latest technological trends. But taken as a whole, they were a stark reminder that voice-controlled devices and appliances will play a large role in our lives in the coming years. More than 5 billion consumer devices supporting digital assistants like Alexa and Google Assistant will be in use in 2018, with almost 3 billion more added by 2021, according to IHS Markit. Of those devices, 39 million will be smart speakers, up from 27 million units shipped in 2017.

“The reality is, eventually, nearly everything is going to be voice controlled,” said Victoria Petrock, an analyst for the digital firm eMarketer." data-reactid="38">“The reality is, eventually, nearly everything is going to be voice controlled,” said Victoria Petrock, an analyst for the digital firm eMarketer.