Great article on why fast matters in software. Linear is always a good example.
Fast eliminates cognitive friction. Raycast surfacing the right application before you finish typing feels like an extension of your mind. Superhuman's sub-100ms rule—plus their focus on keyboard shortcuts—changed the email game in a way that no one's been able to replicate, let alone beat. I recently used Mercury to pay another business that uses Mercury, and its instant settle felt surprising in a world where bank transfers usually take days.
This is because the effort to make software fast often requires stripping away non-essential features. Compare how fast a streamlined project management tool like Linear loads versus an enterprise app like Workday (or worse… Oracle). In a world obsessed with adding rather than refining, speed becomes the ultimate expression of respect. It says, "We've thought deeply about what matters and eliminated everything else."