wizards and assistants
wizards
task specific tool leads the user through task, step by step, using user’s answers to specific questions
example: resumé
useful for safe completion of complex or infrequent tasks
constrained task execution so limited flexibility
must allow user to go back
assistants
monitor user behaviour and offer contextual advice
can be irritating e.g. MS paperclip
must be under user control e.g. XP smart tags