That Google will penalize sites with duplicate content-a long standing belief that is finally broken. In addition, learn unrevealed truths regarding how Google approves an application for AdSense.
If you want to read his blog post fully, ( I urge you to do it) please click on the link below from which I jotted down the excerpts here.
With respect to AdSense:
* Clear navigation
* Do not place ads too close to navigation
* Site warning
* Account suspension
* Duplicate content penalties
* Google pagerank
* Keyword density
* Hindi content is being approved
Tools to use for content curation
* Quora (my favorite)
Tools for content distribution
* Slide share
Tips for attracting visitors
* Compelling headline
* Include videos
Meaning of Accelerated Mobile Pages (AMP)
Note: This blog post is just an excerpt and obviously, there is more to every topic discussed pointed above. The blog post by Abishiekh Jain is extremely useful for bloggers worldwide.