regulatori think this explanation is completely inadequate and potentially disingenuous said senator richard blumenthal a connecticut democrat and ranking member of the senate subcommittee charged with consumer protection i think mark zuckerbergs testimony raises very serious and severe questions about facebooks credibilitydavid cicilline of rhode island the top democrat on the house antitrust subcommittee responded even more harshlysure looks like zuckerberg lied to congress about whether users have complete control over who sees our data on facebook mr cicilline wrote on twittersenior republicans also said the partnerships merited further reviewsenator john thune republican of south dakota said in a statement that the timess reporting raises important questions about transparency and potential privacy risks for facebook users mr thune said the senate commerce committee of which he is chairman would seek more information from facebookthe ftc is already investigating whether the access to friends data that facebook allowed until 2015 violated the terms of its earlier consent decree with the regulator rohit chopra a current ftc commissioner declined to comment on any specific company or investigation but said he believed that the commission would act to enforce any agreements it had with companiestoo often sensitive consumer data gets shared and copied over and over again to a point of no return mr chopra said ftc orders are not suggestions when companies violate them there can be serious consequencessince the cambridge analytica scandal broke in march facebook executives including mr zuckerberg have appeared before officials in washington london and brussels but on monday facebook leaders including the companys departing security chief took to another social media platform twitter to fend off criticism of its privacy policies the company also addressed american lawmakers from its own twitter account saying that no users privacy had been violated by the data partnershipsother privacy experts also weighed in including one engineer at facebooks advertising rival google and executives at apple which took advantage of facebooks datasharing until last year took a swipe at facebooks privacy settings during a developers conference on mondayduring the events keynote address craig federighi an apple senior vice president unveiled a new feature that will let apple users more easily control what sort of information is shared with facebook and other social media companiesmr federighi chose to demonstrate the new feature onstage by showing apples safari browser open to a webpage above it a popup graphic appeareddo you want to allow facebookcom to use cookies and website data while browsing blabbermouthnet the popup read