Developers and tech marketers need to know what stacks competitors use as they launch.
A live dashboard showing tech stacks of sites launched in the last 24-48 hours, with filters for categories and geographies.
Sell to dev teams tracking trends and VCs scouting investments - they'll pay for early signals.
MVP: A simple scraper checking new domain registrations against builtwith data.
Risk: Domain registrations don't always correlate with actual launches.