The mindset shift has to be from those one-off activations to seeing gaming as a holistic, integral part of your overall strategy — something that's always on, like social media. Because think about it: as a brand, there's never a day when you go, 'Well, today we're not doing anything on social.' That just doesn't happen, right? The same mindset needs to apply to gaming.

If Greece gets serious about privatisation, reducing the state sector and collecting existing taxes... if these things are done, whilst also reducing democracy? Then I believe Greece will emerge as a very significant success story. It could get the primary deficit eliminated in two years- creating a surplus.

Being an entrepreneur, or even running a large organization, is like being a society builder. The system is bigger than any individual. You can take the same person, place them in different environments—like the old Soviet Union versus the UK or the US—and get completely different outcomes. It's about the system.

People like to compare such rare payoffs to lottery tickets. This is way off. We know from the availability heuristic that people overestimate the likelihood of an event based on their ability to envision it—the risk of plane crash versus car crash is the best example of this.

At one point, while working on the rotation routine, I was watching a piece rotate on the screen. It was then that the idea struck me—the game could be played in real-time. That was the very first important 'aha' moment for Tetris.