I see this all the time on HN. For anyone interested in the formula:

1. Have an app.

2. Get some Amazon referral links.

3. Have a blog with ads.

4. Author a controversial blog post and fill it with the above three items.

5. Submit to HN. Hope your post hits a chord on HN.

6. Follow up a week later with a meta blog post about your success.

7. Submit to HN. Hope your follow up hits a chord on HN.

8. Go back to #1.