How difficult is deep learning?

Related questions

1. Should I learn machine learning or AI?
2. Is Machine Learning a prerequisite for deep learning?
3. Is TensorFlow machine learning or deep learning?
4. What is TensorFlow in deep learning?
5. Why it is called deep learning?
6. Should I learn machine learning or deep learning first?
7. Is learning machine learning hard?
8. What is the difference between deep learning and machine learning?
9. What are the prerequisites to learn deep learning?
10. Which language is used for deep learning?

Tags

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2. #super
3. #things
4. #powerful
5. #because
6. #simple
7. #gradient
8. #previously
9. #problems
10. #reason
11. #conceptually
12. #phrase
13. #several
14. #splash
15. #exactly
16. #learning
17. #empirical
18. #thing
19. #allows
20. #makes
21. #impossible
22. #descent