I remember the beginnings of the Kurzweil reading machine. I was one of the first to meet Ray Kurzweil and purchase the reading machine in Boston. To think that the machine was at least two and a half large suitcases at the time, and now you have a camera and it takes a picture and you have sound.

You're going to have some very amazing capabilities in the economy. When we have computers that can do more and more jobs, it's going to change how we think about work. There's no way around that. You can't wish it away.

People were wondering, "How do you even do food e-commerce? Are we going to be dropping strawberries on somebody's doorstep? It doesn't feel like we're going to be doing that". But what we believed is that in the US pickup might work. So we started in California and then Denver, and a team started working to put everything in place to do grocery pickup and in the beginning we even had a separate app. It was an orange online grocery app.

If you think back to the beginning of cell phones, laptops or really any new technology, it's always expensive.

I just think that VR and AR are going to be a really big deal.

At Facebook, we're inspired by technologies that have revolutionized how people spread and consume information. We often talk about inventions like the printing press and the television - by simply making communication more efficient, they led to a complete transformation of many important parts of society. They gave more people a voice. They encouraged progress. They changed the way society was organized. They brought us closer together.