The QR code was in fact developed by none other than Denso Wave, a subsidiary of Nippon Denso, wich is in turn owned by Toyota. The QR code was invented in order to improve the speed by which they assemble the cars in the factory according to the specific orders of each and every customer.

Andrew Milburn asked: How many people have a few books in their home and office, I guess if we are honest most will put our hands up, and I would think if there were children in the home then the number of books will go up. Now I am not talking about ebooks or books [...]