Who is teaching the courses? Where do they get their info? Given the very limited oversight of "continuing education", it's trivial for Merck or Pfizer to ensur

Who is teaching the courses? Where do they get their info? Given the very limited oversight of "continuing education", it's trivial for Merck or Pfizer to ensure their advocate teaches the class or records the online seminar -- with zero requirement that they disclose that fact. At least when a drug rep visits the office and buys lunch, you know the source.