Agile Software Dev – Effective Product Strategy

There are tons of apps released every year worldwide and only a few become trendy and successful – Because lots of startups do not know how to do a proper product strategy and probably aren't too adept in applying Agile in software development.

Does anyone of you religiously practice Agile Software dev? What are your experiences?

I'm coming from this article which I just came across with. https://technologyrivers.com/blog/agile-teams-and-product-strategies/ I thought it's interesting and could be of help to anyone who's looking for an effective product strategy.