I'd probably approach it as A > B > E > F
so that they get the fundamentals then learn how your system works, then can explore new ideas on their own.
A. We send all new users to the Marketo University and ask them to self-study.
B. We provide in-house training for all new users, it lasts XX days.
C. We provide ongoing in-house training for all users.
D. We hire a consultant to train each new employee.
E. We're a small staff, we do things on a case by case basis.
F. I'm a one man band, if I need to learn it, I teach myself.
G. We're brand new and haven't yet considered new employees.
H. Other, Tell me more.