One retailer, a major European supermarket chain, tried and failed three times to launch a small-format store.

FORBES: The One Big Thing Successful Innovators Do Differently

Big changes to the format of two of Scotland's biggest regional newspapers have failed to reverse sliding sales, according to new official figures.

BBC: Scottish regional newspaper sales continue to slide

When his October 4th G4 summit in Paris on the financial crisis failed to prevent each-for-himself squabbling, he simply changed the format and tried again a week later.

ECONOMIST: Nicolas Sarkozy