Ed Yourdon's reputation as a computer expert has been hurt by thisbook. Not only that, but he has stepped out of his expertise to discuss social and economic implications. The book overestimates the impact of Y2K on computers that don't care what date it is. The web-site forum accompanying the book is full of people who have bought the worst-case scenario hook, line, and sinker. If everyone followed their advice, we would all be standing on a mountain in Montana and there would be noone left in the cities to fix the problems that do occur. You can find much more useful info. on the internet. s