It turns out that EPM also stands for “experience and performance management”, and:
A comprehensive EPM system captures and reports real metrics about application usage. Who is using which transactions? How long are they active? How long are they idle? EPM gives you the ability to pinpoint and analyze user adoption issues that are hindering the achievement of business results.
As the article says, “ROI isn’t real until it’s realized” — monitoring user adoption and acting on the results is an essential part of any software deployment plan.
But isn’t this just an example of a BI application?