Facebook and Twitter have said that they took too long to handle remote battles to interfere in US decisions.
Twitter's CEO Jack Dorsey said his stage was "ill-equipped and not well prepared" for the "weaponisation" of discussion.
Google did not appear to the Senate Intelligence Committee hearing.
Opening the hearing, Democratic congressperson Mark Warner said he was "profoundly baffled" that Google "picked not to send its own particular best corporate authority".
The senate advisory group is concentrating on what the innovation goliaths are doing to counteract future decision interfering.
It takes after cases that Russia and other outside on-screen characters spread deception and publicity in front of the 2016 presidential race.
"With the advantage of knowledge of the past, clearly genuine slip-ups were made by both Facebook and Twitter. You, similar to the US government, were gotten level footed by the shameless assaults on our decision. Indeed, even after the race, you were hesitant to concede there was an issue," said Mr Warner.
He cautioned that the interpersonal organizations could confront new directions.
"The period of the wild west in internet based life is arriving at an end. Where we go from here is an open inquiry," he told the hearing.
Mr Warner asked whether Twitter would acquaint a pointer with indicate which accounts were people and which were computerized bots. Mr Dorsey said Twitter had been "considering" the thought, and could name accounts as bots as long as it could distinguish them
Mr Heinrich asked whether a US subject "purposefully spreading false data" would abuse Facebook's people group principles. He gave the case of some individual guaranteeing the casualties of a mass shooting were performing artists. Ms Sandberg said Facebook did not have any desire to be the "authority of truth" and worked with outsider actuality checkers to distinguish deception. Stories hailed as false had their circulation "enormously diminished", she said
Ms Collins asked whether the informal communities would advise individuals on the off chance that they had been drawing in with counterfeit records, once those records were distinguished and evacuated. Mr Dorsey said Twitter had not done what's needed. Ms Sandberg said Facebook had informed individuals in particular cases - including individuals who had demonstrated they would go to a phony occasion set up in Washington
Ms Collins inquired as to why Twitter did not inform legislators that were the subject of falsehood crusades by remote operators. "I concur, it's unsatisfactory," said Mr Dorsey
Mr King asked whether Facebook could enable individuals to judge the legitimacy of sources similarly that sale site eBay gives dealers evaluations in light of criticism. Ms Sandberg said individuals could choose for themselves which individuals and news sources to take after, and that it was anything but difficult to unfollow sources they didn't trust.
In front of the hearing, Facebook submitted composed declaration laying out how it had impaired 1.27 billion phony records comprehensively between October 2017 to March 2018. It said it utilized 20,000 individuals to deal with wellbeing and security.
In July, the informal organization declared that it had expelled 32 records and pages accepted to have been set up to impact the mid-term US races in November.
Multi month later it said that it had evacuated hundreds more "deceptive" pages and records which focused individuals in the Middle East, Latin America, the UK and the US.
Twitter's Dorsey will likewise confront inquiries from the House Committee on Energy and Commerce about saw moderate control on its stage.
President Trump has over and over blamed Google, Facebook and Twitter of political predisposition and undermined direction of the stages.
In composed declaration submitted in front of the hearing, Mr Dorsey denied that his firm de-accentuated certain records in indexed lists, a training known as "shadow restricting".
"Twitter does not utilize political belief system to settle on any choices, regardless of whether identified with positioning substance on our administration or how we uphold our guidelines," he said.
"We don't shadow-boycott anybody in light of political belief system."
Twitter's CEO Jack Dorsey said his stage was "ill-equipped and not well prepared" for the "weaponisation" of discussion.
Google did not appear to the Senate Intelligence Committee hearing.
Opening the hearing, Democratic congressperson Mark Warner said he was "profoundly baffled" that Google "picked not to send its own particular best corporate authority".
What is the finding out about?
The senate advisory group is concentrating on what the innovation goliaths are doing to counteract future decision interfering.
It takes after cases that Russia and other outside on-screen characters spread deception and publicity in front of the 2016 presidential race.
"With the advantage of knowledge of the past, clearly genuine slip-ups were made by both Facebook and Twitter. You, similar to the US government, were gotten level footed by the shameless assaults on our decision. Indeed, even after the race, you were hesitant to concede there was an issue," said Mr Warner.
He cautioned that the interpersonal organizations could confront new directions.
"The period of the wild west in internet based life is arriving at an end. Where we go from here is an open inquiry," he told the hearing.
What have the representatives inquired?
Mr Warner asked whether Twitter would acquaint a pointer with indicate which accounts were people and which were computerized bots. Mr Dorsey said Twitter had been "considering" the thought, and could name accounts as bots as long as it could distinguish them
Mr Heinrich asked whether a US subject "purposefully spreading false data" would abuse Facebook's people group principles. He gave the case of some individual guaranteeing the casualties of a mass shooting were performing artists. Ms Sandberg said Facebook did not have any desire to be the "authority of truth" and worked with outsider actuality checkers to distinguish deception. Stories hailed as false had their circulation "enormously diminished", she said
Ms Collins asked whether the informal communities would advise individuals on the off chance that they had been drawing in with counterfeit records, once those records were distinguished and evacuated. Mr Dorsey said Twitter had not done what's needed. Ms Sandberg said Facebook had informed individuals in particular cases - including individuals who had demonstrated they would go to a phony occasion set up in Washington
Ms Collins inquired as to why Twitter did not inform legislators that were the subject of falsehood crusades by remote operators. "I concur, it's unsatisfactory," said Mr Dorsey
Mr King asked whether Facebook could enable individuals to judge the legitimacy of sources similarly that sale site eBay gives dealers evaluations in light of criticism. Ms Sandberg said individuals could choose for themselves which individuals and news sources to take after, and that it was anything but difficult to unfollow sources they didn't trust.
How is Facebook handling deception?
In front of the hearing, Facebook submitted composed declaration laying out how it had impaired 1.27 billion phony records comprehensively between October 2017 to March 2018. It said it utilized 20,000 individuals to deal with wellbeing and security.
In July, the informal organization declared that it had expelled 32 records and pages accepted to have been set up to impact the mid-term US races in November.
Multi month later it said that it had evacuated hundreds more "deceptive" pages and records which focused individuals in the Middle East, Latin America, the UK and the US.
Is Twitter editing preservationist voices?
Twitter's Dorsey will likewise confront inquiries from the House Committee on Energy and Commerce about saw moderate control on its stage.
President Trump has over and over blamed Google, Facebook and Twitter of political predisposition and undermined direction of the stages.
In composed declaration submitted in front of the hearing, Mr Dorsey denied that his firm de-accentuated certain records in indexed lists, a training known as "shadow restricting".
"Twitter does not utilize political belief system to settle on any choices, regardless of whether identified with positioning substance on our administration or how we uphold our guidelines," he said.
"We don't shadow-boycott anybody in light of political belief system."