here it was posted on facebook to cast doubt on the german nationality of the driver the post has been shared almost nine thousand. well this promises to be one of the most pivotal weeks in the history of facebook the social media company begins today notifying those eighty seven million users whose data was harvested by cambridge analytical that data was then used without users' permission in the two thousand and sixteen u.s. presidential campaign would it have been possible to use that data to engineer the outcome of the election well that is just one of the many questions waiting for facebook c.e.o. mark zuckerberg or the day he arrived in washington to meet with lawmakers tomorrow will testify before a congressional committee and is expected to be grilled on health he allowed the