cweditor writes "Like concept cars at auto shows, the computer industry designs 'concept notebooks' to imagine the machines of the future. The 'concepts' may not come to market as-is, but it's likely some of their ideas, components and features will. Take a look at systems you might be using in 7 years. In one, a touch-sensitive screen acts as the system's keyboard and mouse, allowing you to slide your finger across the screen to immediately shut off the display and keep what you're working on confidential. Their associated image gallery includes a prototype for a dual-screen laptop."
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.