there is a smaller niche market. SEMrush is a tool used in the digital marketing industry that is now public and has a multi-billion dollar market cap. It origi

there is a smaller niche market. SEMrush is a tool used in the digital marketing industry that is now public and has a multi-billion dollar market cap. It originally started as a search engine. When they didnt gain traction they used the tech to monitor Google and interface it for customers who are tracking their performance in search results (and much more).