Some questions to ask if marketing ins't working:
Do they know that this solution exists?
Do they trust me?
Do they believe the promise will come true?
What is on offer and is the value of it clear?
What do they believe there peers will think of them?
What will they think of themselves if they move forward with this idea?
Do they have the resources?
What story do they tell themselves about price?
What signals and symbols are we sending them?
What does this idea remind them of and how does it compare to the alternatives?
What is it important to act now?
How much friction is involved is?