In a new letter, Sens. Edward Markey and Richard Blumenthal accuse the CEO of "putting profits ahead of [his] users' financial wellbeing."
A report reveals that the social network has inserted code into its website that prevents users from seeing how they are targeted online.
Unsealed internal documents show the company orchestrated a multi-year effort that targeted children and their parents.
Soon-to-be-released records show the tech giant's own employees worried they were bamboozling children who racked up thousands in game charges.
The proposal has found support from progressives and conservatives alike. But spending more money can't solve capitalism's ills.
Critics demand swift action after The New York Times exposes the social network's potentially illegal data sharing with fellow tech giants.
It's being described as an extraordinary move to uncover information about the company's role in the Cambridge Analytica data-mining scandal.
A damning New York Times report on the social media giant only reinforces the need to resurrect sweeping antitrust laws.