Besides technology and economics, I have quite some interest in History, and the Victorian Era (being one of the most technically prolific - and well-documented - periods of History) always exerted a lot of fascination over me. And it's a lot of fun finding parallels between our current technology and culture and that time's (via BoingBoing, not totally worksafe but a lot of fun).
The best one of the bunch? Why, the Hampster Dance, of course: