You can go online now and find really thoughtful, in-depth, considered, well-informed communities around virtually any issue. If it's your issue, there are now new ways of mobilising knowledge that weren't there before. There are real bodies of significant knowledge on the web that are valuable that we haven't done nearly enough with.

People may be prepared to buy services from Apple and Amazon if they feel these companies do a good job, but we need to ensure that we can speak up when our content is used by other people for their profit. An activist amateur culture will constantly challenge and say, 'This is mine, you're not doing that with it.'

If you create open technology that people can use, adapt and play with, it builds capability and they teach themselves.

You can't stop technology or science, and it is snowballing quicker than ever. Something's got to come to a head. How? Who knows? But it will.

The 'Shawshank Redemption' has nothing to do with China, but that hasn't kept social media censors from blocking the movie's title from searches on the country's most popular Twitter-like microblogging service, Weibo.

It wasn't until Trump won that I thought back to all the things that I dealt with in the White House and that President Obama dealt with - the political forces, the changes in media and technology, the radicalization of the Right.

The use of the Internet, the use of Twitter, the way protest movements developed... This is a different world.