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

The first complaint we hear from everyone is: 'Why would I want to join this stupid useless thing and know what my brother's eating for lunch?' But that really misses the point because Twitter is fundamentally recipient-controlled - you choose to listen and you choose to leave. But you also choose what to put down and what to share.

I spend 90% of my time with people who don't report to me, which also allows for serendipity, since I'm walking around the office all the time. You don't have to schedule serendipity. It just happens.

Those words are from Lynda Barry's novel 'Cruddy.' I've carried them with me for some time. There's a lot in my life I wasn't expecting. One is the realization that I stood at this pulpit and delivered a reading for my own graduation...15 years ago. Unexpectedly, I'm old.

You don't have to start from scratch to have a massive impact on the world.

The greatest lesson that I learned in all of this is that you have to start. Start now, start here, and start small. Keep it Simple.

Great companies don't just have one founding moment. They have many founding moments.