mr. kensey and mr. ryan. on slide six in the guiding principles which talks about the early years and middle years and high school years, seems unusual for us to be -- and maybe i'm misunderstood, to imagine that we're fully expecting high schoolers to start creating. wouldn't we be expecting that in the early years? i mean, that's -- why -- we're asking them to do that in written form, why not asking our younger ones to do that in the early years in digital form. that's my first question. >> you would expect somebody to be creating and consuming at all grade levels, but it's a mixture of the two that we're actually considering in that -- i guess it's the cellular radio. so it's a mixture of the two and so -- and there's also the usability. at a former company what we found was for instance, things like when a student was under 7 or 8 years old, the mouse had to operate differently and we had to actually use different touch points that they could access to. and so you -- the actual usability of a tablet and w