@CNN: About 45% of US children ages 10 to 12 have a smartphone with a service plan https://t.co/coIed5tzzE https://t.co/I6AW6YGvey

@CNN: About 45% of US children ages 10 to 12 have a smartphone with a service plan https://t.co/coIed5tzzE https://t.co/I6AW6YGvey