Before you set out 3/5 Navigation SeverityCartographic IncidentThe route is real, but the signage gets weird enough to deserve a field note.
Summary
SamNav editorialStartups talk a lot about optimization—A/B testing, product enhancements, conversion funnels, email campaigns, etc. These sorts of things can often produce 10% gains, and much more if you can compound several together. This is great, but only if the business is already working....
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Startups talk a lot about optimization—A/B testing, product enhancements, conversion funnels, email campaigns, etc. These sorts of things can often produce 10% gains, and much more if you can compound several together. This is great, but only if the business is already working. If no users love your product, you’re wasting your time working on anything but
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Original source
Read the full essay on Sam Altman's blog
blog.samaltman.com/premature-optimization
Opens the original in a new tab · last reachable 2026-06-05