Today's revelations are truly shocking.
Given the scale of the allegations, the Government must immediately call in the police and the Serious Fraud Office to investigate both companies as fraud has potentially taken place.
There can be no cosy relationships with either company if we are to truly get to the bottom of these very serious allegations. If it was anyone else the police would be asked to investigate potential criminality. Why isn't this happening now?
More top news
Some 50 million Facebook users are alleged to have had their personal details harvested by Cambridge Analytica.