This week, Missouri Gov. Mike Parson reiterated his belief that a "St. Louis Post-Dispatch" reporter who uncovered a cybersecurity flaw should face charges for allegedly violating a computer tampering law.

"The potential risks created by Big Tech's expansion into payments and financial services are notable and demand close scrutiny," Khan writes.

Norwegian privacy regulators have fined the dating app Grindr more than $7.1 million for sharing users' data with third parties for ad purposes, without first obtaining "freely given" consent.

"Facebook has long made claims about the safety of its product for brands, and even more importantly, about the safety of its product for Facebook users," Cantwell said in a letter to the FTC.

Surprise: Some Facebook advertisers and Fox News' Lara Logan are now spreading the same dangerous, outrageous conspiracy theories.