https://finance.yahoo.com/news/facebooks-mark-zuckerberg-under-pressure-040000229.html > said Saturday on Twitter. “They say ‘trust us.’ Mark Zuckerberg needs to testify before Senate Judiciary.” Massachusetts Attorney General Maura Healey also separately launched an investigation." data-reactid="25">“It’s clear these platforms can’t police themselves,” Senator Amy Klobuchar, a Minnesota Democrat, said Saturday on Twitter. “They say ‘trust us.’ Mark Zuckerberg needs to testify before Senate Judiciary.” Massachusetts Attorney General Maura Healey also separately launched an investigation. > The company on Friday said that a professor used Facebook’s log-in tools to get people to sign up for what he claimed was a personality-analysis app he had designed for academic purposes. To take the quiz, 270,000 people gave the app permission to access data via Facebook on themselves and their friends, exposing a network of 50 million people, according to the New York Times. That kind of access was allowed per Facebook’s rules at the time. Afterward, the professor violated Facebook’s terms when he passed along that data to Cambridge Analytica.