More than one-third of babies are tapping on smartphones and tablets even before they learn to walk or talk, and by one year of age, one in seven toddlers is using devices for at least an hour a day, according to a new study.
More than one-third of babies are tapping on smartphones and tablets even before they learn to walk or talk, and by one year of age, one in seven toddlers is using devices for at least an hour a day, according to a new study.