The dark day appearing around the Facebook and twitter both hit by significant stock price falls after revealing a decline in active user amid political controversy.

In one day, Facebook fell from stock market valuation of 481bn to 389bn pound, one of the biggest losses ever by any single company in a day.

In Europe, three million people departed the social network, cutting the number of user to 279 million. In North America, the user stayed flat.

Facebook pinned the damage on GDPR, the new policy rule implemented on Europe during the first quarter. However the fall in number also follows the Cambridge analytica scandal, which saw the data of 87 million people for political target.

Facebook has been at the center of a Brexit propaganda scandal, with the official vote leaves campaign fined for overspending by the electoral commission. The campaign funded ads on the social network designed to convince specific group of user to vote to leave European Union.