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• failure
• power
• hardware
• soft errors
• one critical instruction
• software
• inadequate requirements
• too many working on it
• no one gets what they want
• incorrect coding
• infeasability of testing
• inadequate models
• overmaintained code
• corrective maintenence
• perfective maintenence
• adaptive maintenence
• inadequate data representation
• data quality
• data deterioration
• human/computer mismatch
• machine centric design
• people given wrong info

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• reactions
• positive
• ethics
• universalists
• one law for all
• utalitarian
• ok for greater good
• relativistic
• depends on situation
• negative
• aristechnocrats
• technophile/technophobe

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• captology
• persuasive

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• interfaces
• access appropriate levvel

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• what cannot be done
• not number on anything for meaningful
• continuous to discrete is always some loss
• humans don't follow explicit rules
• feel
• only gisting
• con overtrust
• line blurred, anthrophmorphic/mechanomorphic