The willingness to be self-critical in England is much greater than the willingness to be self-critical in America.

You think it matters to the kids whether they're learning to play on a Steinway or a normal piano?

Part of me thinks that innovation, real innovation in health care delivery, needs to happen from the bottom to the top.

So, it's a very, you know - maybe we're wrong in - you know, we go around thinking the innovator is the person who's first to kind of conceive of something. And maybe the innovation process continues down the line to the second and the third and the fourth entrant into a field.

There's all these proofs that go on of identity, of records, and they're quite non-digital. The blockchain innovation really allows us to take everything where there's record keeping, everything where there's trust around record keeping, and it allows us to make that digital, immutable, permanent, and global.

I remind myself that I'm always more satisfied by human interaction than by a digital connection.

Of course, I always try to integrate my life on social media but I would be the last person to post a random picture just to get likes and just so that I can create some social media feed. For me, a post should have some meaning.

Let me start with Yahoo. As we meet today, a Chinese citizen who had the courage to speak his mind on the Internet is in prison because Yahoo chose to share his name and address with the Chinese Government.