Having better technology is an advantage over competitors, especially if this technology is in your core domain which can set you apart from the competition.
For example in searching the internet, Google has a technical secret over other search engines (without generative AI).
Reference
Thiel, Peter, and Blake Masters. Zero to One: Notes on Startups, or How to Build the Future. Virgin Books, 2014.
Highlights or timestamps
For tech companies, the best secret is to have better technology than their competitors, because it can make their position as market leaders unassailable.
— ^8b8629 from Zero to One