Earlier quoted context omitted.
Yes it is, but as you said, a 3 year old isn't trying to get work done. What we need to see is how the kids first using phones from 7 years ago are doing with tablets and their ilk now in school. That's your earliest cohort of 10 year olds first exposed to the iPhone.
Yes, and watching tv or reading a book you are also not getting any work doen. What's the point? Computers are no longer just about getting work doen. For many, computers are more about entertainment and communication, than about work.
You know, the same folks Dell was able to con into paying $600 for a computer that needed GeekSquad to fix it every six months because computers are so unfriendly to non-technical people.
Tablets, especially ones with curated app stores, solve that problem. And people who are not techies love that.