Tablet: Personal Computer in the Year 2000 (1988)
stephenwolfram.com
stephenwolfram.com
Uh oh. Call the lawyers.
Text version: http://www.stephenwolfram.com/publications/articles/general/...
He described their friendship in a blog post after Jobs passed away. I wouldn't be surprised if they had had a conversation about tablets during the iPad's development.
http://blog.stephenwolfram.com/2011/10/steve-jobs-a-few-memo...
“… PC has undeniable processing power that won't be available in mobile devices at least for the next few decades. This will stay true until we start to use another type of computing philosophy such as quantum computing.”
[http://www.drdacademy.com/?id=will-pc-and-consequently-softw...]
A keyboard? They make keyboards for iPads, Android, and Windows tablets.
The OS? That's not a terribly hard thing to change.
I would venture to say that a tablet could replace a laptop for 80+% of people. I type, browse the web, email, and program on my laptop. I tablet is more than capable of that. I'm not often doing heavy processing or graphic-intensive gaming, nor are many/most people.