At last a real use for the iPhone and its internal accelerometer. Simply download the Bullet Flight application, clip the iPhone to the side of your rifle iPhone and bang - it's an instant ballistics computer. While calculating the right trajectory and type of ammo, you can listen to music or even ring up your intended victim for a few last words.
Relieve recession-related stress with a bout of bubblewrap popping. 'Manic mode' is recommended.
Is there no end to the man's talents? Hear Herzog's Fata Morgana at the the Queen Elizabeth Hall, South Bank on 17 April. What? Not that Hertzog? Werner Herzog? Still, worth a punt. Part of the same zeitgeist.
Bet the Building Regulations people haven't heard of this one. It's the inflatable window which, according to Australian 'research', is proven to improve insulation by 50 per cent.
For the internet Scrabble addict, a chance to blend the utilitarian with the time-wasting: a keyboard made with real Scrabble letters.