I think those pictures we took did jumpstart the modern environmental movement, but it wasn't a personal change for me at that point.

Habituation is a very basic mechanism. It's something we find in every neuron and every system of our brain, including our fundamental abilities like perception. Essentially, we stop responding to and perceiving things that are not changing or are changing very gradually.

Companies and organisations need to understand and embrace gaming in its totality. Gamification is just one small element — a subset — of what a true gaming strategy entails. To me, it's something that should be an integral part of how companies think about their consumer or customer engagement strategy.

For the iPad it's game over in terms of market-share… Apple has won! It's a preposterously cheap stock…

In the standard putty-clay model, firms, able to get access to long-term capital at a very low interest rate, will invest in highly capital-intensive technologies, because wages have not fallen as much as the cost of capital. But this means that, at any given level of demand for output, employment will actually be reduced.