@CNN: About 45% of US children ages 10 to 12 have a smartphone with a service plan https://t.co/NykW73nPMl https://t.co/gRQoE6ClZ3

@CNN: About 45% of US children ages 10 to 12 have a smartphone with a service plan https://t.co/NykW73nPMl https://t.co/gRQoE6ClZ3