Here's a question that is getting rarer in today's world: "how did you know my name?"
In the age of Facebook and Google, we can find out lots of things about lots of people. Oh, and they can do the same to us.
Cyber expert Thomas Keenan helped write Canada's computer crime laws decades ago; he writes about how far things have come in his book Technocreep: The Surrender of Privacy and the Capitalization of Intimacy.
We pick his brain, but in a friendly way.