Commentary 29 ability, and offers pertinent advice. Unlike the very limited intelligence of, say, a Cue Card, this form of help w o u l d identify and address subtle user errors and m a n y forms of user uncertainty. Here w e approach the d r e a m of documentation that functions as a cooperative, expert assistant w h o is always available to the user. In this scenario, standard help, balloon-type annotations, wizards, and other forms of documentation might indeed be supplanted by this one monolithic but extremely powerful and effective form of help. Here the role of documentors w o u l d not be to write documentation but rather to w o r k with programmers to plan out h o w this expert assistant will interact with users u n d e r varying circumstances. Short of this technology, software products will continue to offer various forms of distinctive help, each with a certain primary strength: for standard help it is the completeness of its user support; for balloontype annotations, it is the rapid access to information and support for problem-solving; for step-by-step prompts, it is the protection and guidance of
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