We like this – and it’s going to be law in the States by 2014, so you can rest assured it’ll be coming here soon. Much better than some of the in-dash systems we’ve used recently (although they’re better than nothing).

Your ordinary rear-view mirror houses a small, very bright monitor that shows you what’s happening right behind your bumper. The aim is to avoid hitting small children, and in fact the American legislation is called the Kids Transportation Safety Act. This version is made by Gentex and they’ve already made 1.25 million of them in 2010 alone!

An intelligent response to Intelligent law-making we say.