Industry 4.0 - Digital Transformation Maturity Levels:
1. Computerization - Industry 3.0
2. Connectivity - Industry 3.0
3. Visibility - What does happen "Seeing"
4. Transparency - Why does it happen "Understanding"
5. Predictability - What will happen - "Forecasting"
6. Adaptability - How can autonomous reaction take place "Self-optimizing"