We've improved Slashdot's video section; now you can view our video interviews, product close-ups and site visits with all the usual Slashdot options to comment, share, etc. No more walled garden! It's a work in progress -- we hope you'll check it out (Learn more about the recent updates).
Actually in the U.S. you don't have to register yourself at the local city office. I've moved many times (through college, grad school, and job life) and have never gone to any local office to register myself. There is no mechanism to do it here.