The document discusses three perspectives on user experience (UX) job titles and methodologies: formal UX, genius design, and lean UX. Formal UX involves traditional usability studies like focus groups and surveys. Genius design relies on the vision of a single person or small team. Lean UX is an agile process that tightly integrates product development teams to quickly launch and iterate based on metrics. The document evaluates the benefits and drawbacks of each approach.