Wow! According to this recent study, by two years of age, most children have used a mobile device.
Perhaps even more significant is the amount of time quite young children are using these devices:
The amount of time the children spent using devices rose as they got older, with 26% of 2 year olds and 38% of 4 year olds using devices for at least an hour.
Imagine how tech savvy and tech demanding these children will be when the hit the middle and high school classrooms in a decade or so.