Mark Zuckerberg

Lawmakers of both parties, citing the companies' tremendous power to disseminate speech and ideas, are looking to challenge their long-enjoyed bedrock legal protections for online speech.

The researchers say the disputed tool is vital to understanding how Facebook has been used as a conduit for disinformation and manipulation.

It's not clear if the changes are enough.

UCSF's diagnostic laboratory, adjacent to the Chan Zuckerberg Biohub in Mission Bay, will process the test results in two to three days.

The four CEOs are testifing remotely for a hearing Wednesday by the House Judciary subcommittee on antitrust.

Two San Francisco supervisors say that Facebook CEO Mark Zuckerberg's name doesn't deserve to be on the city's public hospital.

Zuckerberg announced that the company will make policy changes "to connect people with authoritative information about voting, crack down on voter suppression, and fight hate speech."

In a meeting with employees Tuesday, Zuckerberg stood behind his position which allows President Trump's controversial post "when the looting starts, the shooting starts" under freedom of expression.

The companies did not disclose financial terms. Citing unnamed people familiar with the matter, Axios said the deal is valued around $400 million.

The new notice will be sent to users who have liked, reacted to, or commented on posts featuring harmful or false claims about COVID-19 after they have been removed by moderators.

Facebook media relations chief Anthony Harrison says, “Our priority is the health and safety of our teams, so out of an abundance of caution, we canceled our Global Marketing Summit due to the evolving public health risks related to coronavirus.”

Profit and revenue both handily surpassed Wall Street's expectations.

Facebook's policy is to accept paid political ads from candidates without fact-checking them or censoring them, even if they contain lies.