i had that similar project. i came up with shoes that converted into roller skates... a few months/weeks later out came sketchers with those shoes with the wheels...... im telling you man.. they put microchips into our brains and cameras around the place to steal all your ideas...
so use THAT. a microchip implanted in your brain that can write down your thoughts? @__@
mwahhaha.. creepy big brother-ish..
Multi purpose watch with wireless phone headset as well as touchscreen for dialing features and optional built in tazer.
House power usage moniter that turns off and on lights based on if anyone is in room or not as well as the opton to check what percentage of the current power used is the room using to keep power efficent.
Specialized keychains that have tracker on them so when you want to find them you used the radar included in your purchase and it does conflict with other key chains due to the 50 digit tracking number.