To the writer of the article: you missed a big opportunity with this article by not having an obvious link straight to your product, Castro, and by not telling us in a few words what it does.
It’s not too late to change the first sentence to:
> I had an idea when I bought [Castro](whatever_the_url_is), a XXX app, that human support…
Yes thanks added. Next article: "What I got wrong: Marketing 101"