Right. There will be some situations where a tablet is the most convenient format (reading books I think will be the main application), but for most situations

Right. There will be some situations where a tablet is the most convenient format (reading books I think will be the main application), but for most situations ergonomics dictates a certain kind of physical arrangement where you can see the screen without constantly needing to hold it at an angle and also type efficiently for emails, tweets, etc.