On Tuesday, the first one was held two public hearings Mark Zuckerberg to the US Parliament and in particular to the Senate Committee on Trade, Science and Transport.
The lawmakers have in shortly challenged her better safety offered by platform of Facebook, highlighted its monopoly status, and referred to data abuse of platform users, interference with democratic elections and much more. 
Initially, Facebook's CEO said he now considers the arrangements necessary, but things did not go well after listening.
"What you have created represents the American dream," Sen. John Thune, chairman of the Senate Commerce, Science and Transport Committee, told Zuckerberg.
"But you have an obligation to ensure that the dream does not become a nightmare of privacy."
Thune called the hearing "extraordinary", noting that the more than 2 billion Facebook users represent 1500 times the population of his country.
Facebook's steps so far are "unlikely to be enough," Thune said, noting that the Cambridge Analytica case is unlikely to be an isolated event.
In Zuckerberg's testimony before the joint meeting between the jury committees and the Senate Commerce Committee today, Facebook's CEO was forced to answer whether his company is a monopoly.
Senator Lindsey Graham asked Zuckerberg:
"Who is your biggest competitor?"
The CEO tried to answer the question by mentioning the companies Google, Apple, Amazon and Microsoft as an "overlap" to Facebook.
"If I buy a Ford, and it does not work well, and I do not like it, I can buy a Chevy. If I'm disappointed with Facebook, what is the corresponding product I can subscribe to? ” Graham asked, interrupting Zuckerberg.
When Zuckerberg tried to resolve the different types of Facebook services, Graham repeated his question.
"I am not talking about accusations. I'm talking about the real competition you face. Because car companies face stiff competition. They make a faulty car, it goes out into the world, and people stop buying it and buy another one. Is there an alternative to Facebook? ”
Zuckerberg went on to say that the "average American uses eight different apps" to connect with their friends, trying to frame Facebook as one of the many apps on the market. Shortly afterwards, Graham interrupted him and asked him if he believed Facebook was a monopoly.
"I certainly do not think so," Zuckerberg replied, while the committee laughed.
Senator Ed Markey, A Democrat from Massachusetts asked if Zuckerberg would "support a law to ensure that children under the age of 16 have better privacy."
However, Mark Zuckerberg, as it would appear, would not support such a law.
"I think it's an important principle," he said, adding that "it's worth a lot of discussion." But when he was pressured, he said: "I do not know if we need such a law."
"America deserves a privacy bill that gives consumers, not companies, control over their personal and sensitive information," Markey said.
Another equally important point of listening is the report of the widely circulated affair that Facebook serves ads by eavesdropping from your phone's microphone.
For years, Facebook has not accepted that it hides its users in real time through their phone's microphone. Thanks to Senator Gary Peters this issue was formally recorded in the committee's minutes:
"Yes or no, does Facebook use the sound it receives from mobile devices to enrich information about its users?" asked. "No," said Mark Zuckerberg, and it was recorded in the minutes.
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