A lot of people in health care across the country are firing up their computers to dig into long-sought, confidential information from hospitals about their prices and deals they cut on them with an array of parties.

As the Wall Street Journal reported, the Trump Administration successfully battled with hospitals to get them to disclose previously secret pricing data, in the hopes that disclosing this key information will benefit the U.S. health care system, notably in curbing costs. Here’s why, as the newspaper reported:

“T]hose who pay for health-care premiums and medical bills — employers, workers and patients — were long in the dark about wide price differences among hospitals for the same service in the same city, according to research and efforts by large employer groups to compare prices. Hospital prices are under intense scrutiny as the sector consolidates and research points to price increases after mergers, but without the quality gains that hospitals often cite as rationale for the combinations.