You’ll never be bored enough to build this if you have an iPad
An iPad user returns it because it is too useful and keeps him from being bored:
My best ideas come to me when I am unproductive. When I am running but not listening to my iPod. When I am sitting, doing nothing, waiting for someone. When I am lying in bed as my mind wanders before falling to sleep. These "wasted" moments, moments not filled with anything in particular, are vital.
I use my iPad to read using the Kindle App. And to browse the web when I don’t feel like getting to a computer. It visits IMDB a lot to answer “who is that” TV questions.
I like it, and I’d like it better if it ran Flash, but it isn’t so useful that I’ll be returning it!
His article is really a caution to not always be busy. That is good advice that I stick to regularly.