Smart speakers, like Amazon’s Alexa or Google Home, are showing up in homes more and more with 75 percent of homes likely to have one by 2020. Child-development experts are considering how smart speakers affect learning and development. Some suggest that without intentional planning, the devices could reduce the kind of "serve-and-return conversations" with adults that are so necessary for the development of childrens’ language, literacy and social skills and one-on-one reading time.