In 1989, 1.4% of U.S. households had cell phones while 28% had an answering machine. In 2020, there are 1.29 cell phones per person in the U.S. and only 40% of households still have a landline.
In 1989, 1.4% of U.S. households had cell phones while 28% had an answering machine. In 2020, there are 1.29 cell phones per person in the U.S. and only 40% of households still have a landline.
