Hybrid Warfare

Answer these 2 questions in one paper:
1) Frank Hoffman’s article, Hybrid Warfare and Challenges was written in 2008. What does he accurately predict and what does he not get right about hybrid warfare when considering the state of the world in 2019?
2) Highlight a few (no less than 3) tenants of Sun Tzu Art of War that are relevant to hybrid warfare. Create one additional tenant in the spirit of Sun Tzu that you think should be added to Art of War when considering hybrid warfare?