Which functional integration topic did you find most interesting and why?

Now that you’ve completed most if not all available lessons, which did you find most interesting and why?

Coming from Pharma and more specifically, PMI of the IT flavor, I appreciated Marketing and Sales and HR as I typically don’t get much exposure other than CRM and User profiles/LIMs data migration. Knowing more about the ways these other workstreams can generate synergies will undoubtedly help me become a better M&A practitioner.