Will write later.
A collapsible katana
A pair of sunglasses with 4 different sensors - sound, infrared, radio, and visible which can record up to 2 gigabytes of footage in any of the sensor types.
http://www.geeky-gadgets.com/wp-content ... sses_1.jpg
A portable computer with the power of a desktop computer. It uses holographic screens for input and visiual output. IT uses some sort of port that accepts also anykinda of data format.
Will write later