Smart speakers are increasingly popular household items. Their market is now thought to be capable of growing until it is worth US$19.91 billion in 4 years. This success may be driven by the rise of 5G, urbanization, consumer interest in smart homes and interest in the devices themselves.
https://www.notebookcheck.net/The-smart-speaker-market-may-be-worth-nearly-US-20-billion-by-2024.452527.0.html
Google Assistant devices really need a 3.5mm jack and although Alexa's compatibility is big, its speech recognition and search are miles behind Google.