User: How do you prepare for case study interview for digital transformation case?
Assistant: Here is one suggested approach. 1. Gather all requirements related to business problem 2. Understand data sources the business is using. 3. Understand if business would like to build or buy solutions 4. Check for industry specific accelerators 5. Start with one business unit and show the impact of digital transformation and then expand to other business units. 6. Do business value assessment like ROI 7. Focus on tangible and intangible benefits of digital transformation 8. Cost benefit analysis 9. Implementation plan and timelines 10. Production plan  11. Maintenance and support