How to Understand SEO copy writing?
SEO Copy Writing ?? Do you mean rules regarding helpful Content writing techniques?
It was very useful and helpful for content writing in SEO.
Copy writing is different to writing, and you should have good writing skill for copy writing as well.
The Content writing to help the people, but not for the search engine. So If you write an article for the people and follow google webmaster privacy rules, surely it's an optimized SEO content. The content marketing is the trigger for 2013 Google Algorithm.