The Mozilla Foundation today released its inaugural Internet Health Report, which calls for the regulation of tech giants like Google, Amazon, and Facebook. The report debuts the same day as Facebook CEO Mark Zuckerberg is scheduled to testify before a gathering of two U.S. Senate committees, his first appearance before Congress.

Though tech giants in the U.S. and companies like Alibaba and Tencent in China have “helped billions realize the benefits of the internet,” the report calls for regulation of these players to mitagate monopolistic business practices that undermine “privacy, openness, and competition on the web.”

“They box out competitors, restricting innovation in the process,” the report reads. “As their capacity to make sense of massive amounts of data grows through advances in artificial intelligence and quantum computing, their powers are likely to advance into adjacent businesses through vertical integrations into hardware, software, infrastructure, automobiles, media, insurance, and more — unless we find a way to disrupt them or break them up.”

Governments should enforce anti-competitive behavior laws and rethink outdated antitrust models when implementing regulation of tech giants, the report states.

The Internet Health Report makes no attempt to give the internet an overall health score. Rather, it explores major issues that its authors believe have contributed to the relative health of online environments and examines how those trends impact people’s lives in the real world.

Fake news and propaganda like the kind peddled by the Internet Research Agency on…