Founder here!
Content marketing - look at common customer use cases and turn them into blog posts and YouTube videos.
Check out our blog, https://datafetcher.com/blog, and YouTube channel, https://www.youtube.com/channel/UCnED2FBe_jzntrCiB759y9w/vid..., for examples!
I've now hired 2 freelancers to produce these, so I can focus on product/ support.