Every single young person is reachable. Ask them what dating is like in their country. Ask them if they have a girlfriend. Ask them what their type is. There's nobody who's too conservative to talk about that.

For people involved in pre-meditated crimes, whether it is terrorism or robbery or something else, their use of technology means that they leave a digital trail, and the room for error goes up dramatically. In the future, it will be easier for violent people to make mistakes and get caught before they commit their crimes.

When people think of digital diplomacy, they think of government tweeting. It is not what it is. That is public diplomacy.

Essentially, it's not that technology or cyberspace is some parallel universe that operates tangentially from the world we know; it is simply a new front in the international system.