Jane McGonigal

'SuperBetter' is fundamentally about a mind shift. It's about claiming your power to be in charge of how you spend your time and energy, and focusing it on the things that matter the most to you. Focusing on things that will bring real happiness, real well-being.

Although I'm perceived as very optimistic and upbeat, it comes out of being the opposite of that - feeling isolated or lonely, looking for meaning and the kinds of things that ease that suffering in life, and finding them in large-scale social interaction, like theater and games.

I love San Francisco; it's very hard to compete with San Francisco when it comes to availability of product, but one thing you can't replace about Las Vegas or Miami is people are walking in the door and they want to have a good time.

Flexibility is crucial to my fitness. Incorporating a good warm-up and cool-down into every session decreases my chances of injury. I use both dynamic and static stretching in my training. I've starting doing a few yoga sessions which incorporates muscle strength and flexibility.