You know, there has never been a 24-hour period in five years when I have not responded to e-mail at Facebook. I am not saying it's easy. I work long hours.

She explained that many people, but especially women, feel fraudulent when they are praised for their accomplishments. Instead of feeling worthy of recognition, they feel undeserving and guilty, as if a mistake has been made. Despite being high achievers, even experts in their fields, women can't seem to shake the sense that it is only a matter of time until they are found out for who they really are- impostors with limited skills or abilities.

We're the only developed country in the world that doesn't have paid maternity leave. Paternity leave is just as important. Paid family medical leave so that you can take care of a parent, a child, a grandparent, whatever you need to do. I think we're shortsighted when we don't invest in our employees as companies, and as an economy, because we invest in them and they invest back in us.

The reason I wrote Lean In is I think people weren't actually noticing that we had stopped making progress. I gave a TED talk and said: "It turns out men still run the world." And the audience gasped as if that was news.

For any of us in this room today, let's start out by admitting we're lucky. We don't live in the world our mothers lived in, our grandmothers lived in, where career choices for women were so limited.

I know from my own experience that the path to change is best traveled when we travel together.

Coming from Google, you don't exactly spend a lot of time at Microsoft.