Straight lines don't exist in the human form and are extremely rare in nature, so the human touch in the logo is that all the lines and forms have at least a slight curve.

Theres no such thing as Flickr Pro because today, with cameras as pervasive as they are, theres no such thing, really, as professional photographers when theres everything thats professional photographers. Certainly theres varying levels of skills but we didnt want to have a Flickr Pro anymore. We wanted everyone to have professional quality photo space and sharing.

I have a theory that burnout is about resentment. And you beat it by knowing what it is you're giving up that makes you resentful.

The Googly thing is to launch products early on Google Labs and then iterate, learning what the market wants - and making it great. The beauty of experimenting in this way is that you never get too far from what the market wants. The market pulls you back.

Walmart is an amazing story of entrepreneurship and, as one of the world's most powerful brands, touches millions of lives every day.

Product management really is the fusion between technology, what engineers do - and the business side.

If you push through that feeling of being scared, that feeling of taking risk, really amazing things can happen.