I always thought the idea was ambitious and interesting.<p>The biggest problem, as he points out, was that it was a bit too simplistic. Anyone who was anywhere near to being a power user with work to get done was mostly going to be frustrated by it.<p>It was cute - even delightful - to me at first, then quickly just got in the way. To my mind, two things which could make such an idea more successful would be 1) making it easier to deactivate, and 2) having a more robust 'advanced' mode which points you to actual documentation, articles and support forums and other than that leaves you alone. I don't think the tech for that second part was possible back then (especially parsing natural language inquiries), but it is now.<p>The characters I ended up using most were the little dog and the bouncing ball. I didn't mind Clippy, but after seeing how others reacted to him I didn't want people to know that. The animations were great for all of them regardless, there was clearly a lot of talent deployed there. Unfortunately that has almost no connection to usefulness.