In essence, they needed to crunch massive amounts of information to identify the source of insurance company claims processing problems. They said that most of the big savings came from simply getting work to the right person faster.
We hear that a lot from customers - "it saved us days, weeks, even months." Many times, they are talking about their own personal productivity. But just as often, they are talking about more rapidly getting useful information into the hands of people who can do something about it.
People quote "time is money" all the time. Usually, it's just a meaningless cliche. But in this case, it's real.