I fell in love with flora of all types, especially ferns. Loved the sparse structure and repetition of shape - almost fractal.

Your job as an executive is to edit, not write. It's OK to write once in a while but if you do it often there's a fundamental problem with the team. Every time you do something ask if you're writing or editing and get in the mode of editing.

'Luck' is recognizing when the situation encourages build out and execution.

Build what you want to see in the world.

I think Twitter is best when it sparks conversations elsewhere. To use YouTube and Facebook and all the tools we have available to us today to respond and also promote and answer and engage is awesome.

There's an entire universe in every single tweet, and it all really depends on the content as far as how it's going to spread.

Twitter has been my life's work in many senses. It started with a fascination with cities and how they work, and what's going on in them right now.