I think, as you get older, you reflect at the silliness of your youth and the stupidity of some of the decisions that were made, and the ego and whatnot, or whatever played into it.

Music was everything. Now it is just not as important as it used to be. When I was growing up, where everyone was trying to outdo each other by being more outrageous and sounding more different, now there is a homogeneous sameness to it all.

My band did the Teenage Fair battle of the bands - problem was we were 11 years old! They gave us a prize for youngest band ever.

My son is a professional musician now.

The action movies changed radically when it became possible to Velcro your muscles on. It was the beginning of a new era. The visual took over. The special effects became more important than the single person. That was the beginning of the end.

In the past, action to combat climate change was viewed largely as running counter to economic growth, with 'going green' implying a sacrifice of prosperity for the sake of the environment. Today, we know better.

The human mind and body remains the most complex, powerful machine on the planet, and we will adapt and thrive in a world of accelerating technological change.

As the world undergoes a major transformation, it's the time of significant opportunity and also threat.