If anyone has ever played the PC game Grim Fandango, there is a machine which sends messages through the DOD building. I think we could expand that idea to have a virtual network of package delivery systems. You would simply put the package into the containter, close the lid and enter where you want the package to go. This would release the package into a very large tube which would push the package to its destination via vacuum. There would be sensors that detect where the package is...

Never get yelled at for leaving the toilet seat up ever again. The toilet would be voice activated (for both up and down) but it would also have a sensor so that it would not allow you to hurt yourself if you were too close when you (or someone else) commanded it. It would be just like those urinals which automatically flush after you leave, because this one would automatically lower the seat if it was left up when the person got out of the reach of the sensor. This way, guys would never...