"Our training library consists of old PowerPoints written by someone long gone."
SOLUTION
Research is clear that bite sized content is the most effective for retention and adoption. Your training library is full of these nuggets if you know how to mine for it.
"People buy our products and then don't know how to use them."
SOLUTION
It is challenging for people intimate with the product and company to create training for the novice user. Focus on giving your customer exactly the information (and not more) than they need to succeed.