Do you remember those key-rings equipped with an alarm device? When you whistle the alarm goes out which allow you to find your keys. Now let's grab this idea and apply elsewhere. What about remote control for TV or other electronic devices. If you are like me always looking for your remote control, just buy an alarm key-ring and stick at the back.

We all have heard about some cities twinning, why not go more further, I propose families twinning. A rich one will be twinned with a poor one. I think this will help solve some inequalities and tie solidarity.

Maybe it's time to replace our old fashioned rear-view and outside car mirrors with something new. What about those miniature cameras and an LCD placed in the dashboard. You can even try it yourself. No more dead angles.

Get rid of your remote controller and just use your voice to switch between channels.

Imagine each road signalization panel equipped with an emitter and each vehicle equipped with a receiver. Suppose you enter a zone i.e. of 50 km/h, the car receives a signal from the panel's emitter warning the conductor to slow down, or, more aggressively, will automatically reduce the speed of the vehicle to the corresponding information received from the panel's type.