As you can see in that lead shot up there, the screen intuitively shows the temperature in red when it's heating up, and turns blue when it's cooling.

ENGADGET: iPod fathers unveil their next project, the Nest Learning Thermostat (hands-on)

Whether controlling content on any screen like Clik or just controlling the temperature like Nest, we have only scratched the surface on how homes, offices and networks of physical locations can communicate with each other via mobile devices.

FORBES: 4 Sectors Ready To Be Disrupted In The Post-PC Era

The Little Devil chassis used for the purpose of this demo has an LED screen displaying the -40-degree operating temperature, but you won't need it: the system automatically shuts down if it gets too cold, and it won't boot into Windows until Phase Change is up and running.

ENGADGET: A closer look at Origin PC's Phase Change cooling system (and its new gaming laptops too)

With the engine running, he can see on-screen how much fuel should be injected given X throttle pressure or Y coolant temperature.

FORBES: How to Hack Your Car

For extreme overclocking enthusiasts, they can use their mobile phone to monitor frequency, temperature and voltage parameters in real time while their computer is running full-screen testing software.

ENGADGET: MSI's Afterburner Android app makes GPU overclocking as easy as Facebooking

There are nice amenities like a flat screen tv, decent beds, and free wireless, and odd amenities like a shower without temperature controls.

CNN: A mancation failure in San Francisco