1) The document discusses how users don't always have clearly defined goals when interacting with technology and argues designers should not assume users are working towards explicit goals.
2) It notes how early models of human-computer interaction designed systems around predefined goals and procedures, but that does not reflect how people naturally behave in complex situations.
3) The document advocates designing for the messy complexity of how human desires, needs, emotions and contexts shape behaviors, rather than assuming tasks and goals are the primary drivers of user experiences.