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

The largest share of American companies (63 percent) reported to be developing voice-enabled technology for Amazon Alexa, as of March 2019. Google Assistant followed closely in the ranking, with 62 percent of the survey businesses developing voice tech for it.截至2019年3月，美国公司中最大比例（63%）报告称正在开发适用于Amazon Alexa的语音激活技术。紧随其后的是Google Assistant，62%的调查对象表示正在为其开发语音技术。