"privacy"

The announcement came after media reports claimed that a federal antitrust probe targeting Facebook appears to have entered its late stages and the US Federal Trade Commission (FTC) members have made a recommendation to the agency's commissioners

It is part of the financial hub's drive to harness technology, from ramping up the use of electronic payments to research on driverless transport.

The CEOs will testify on Section 230 of the Communications Decency Act, which protects tech companies from liability over the content posted by users on their online services, reports CNBC.