We already know Alexa had a good Christmas — the app shot to the top of the App Store over the holidays, and the Alexa service even briefly crashed from all the new users. But Alexa, along with other smart speaker devices like Google Home, didn’t just have a good holiday — they had a great year, too. The smart speaker market reached critical mass in 2018, with around 41 percent of U.S. consumers now owning a voice-activated speaker, up from 21.5 percent in 2017.
Source: Smart speakers hit critical mass in 2018 | TechCrunch