It's not about needing a simpler computer. It's about wanting one. Not all people; not even all mothers or grandmothers. And not all the time. The iPad has,

It's not about needing a simpler computer. It's about wanting one. Not all people; not even all mothers or grandmothers. And not all the time. The iPad has, in a sense, already made it. It, despite some people's protestations, is just a big iPod touch. Whether this form factor works or not, people have responded extremely well to its abstractions and simplifications, despite the limitations.