It's amazing what a short passage of time can do to a once promising technology. In '99 when this book was written bots were hot. Now in '02 the fad has passed, and like most best wishes the promise was not realized. This book is a testament to the hopes and desires we had for agents, bots, and "look ma no-hands info gathering".
Many of the companies, products and services listed in the book have tanked, some I hated to see go, others left the scene none-to-soon, some are hanging on by their fingernails, but there are a few like Travelocity that have hung in there and become real brands, although we don't know of them as bots.
The problem I had with the book was that it considered almost any site that had some level of personalization or "web service" as a bot, and bots they're not.
All-in-all I enjoyed the guide because the creators spiced it up with humor and interest in their topic. They obviously enjoyed their assignment. I for one would pay for a new or updated version of the BotGuide because there are so many new tools that would fit and could stand the attention. It wouldn't hurt me if they would had an ongoing online way to cull out the dot.carcases that didn't make it.