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Facebook says it will enact new measures designed to push teenagers away from harmful content.
Whistleblower
The changes come after a whistleblower spoke before a U.S. Senate committee investigating Facebook’s activities. The whistleblower said the company knew how to make its sites safer but refused because it would reduce profits.
A whistleblower is someone who reports wrongdoing by an organization to which they are connected, usually through employment. There are laws in many places to protect whistleblowers from those they report about.
*This article has been edited and reprinted from VOA Learning English with permission from Voice of America (VOA) for use in English language materials.