Facebook used five million subscribers' information as a stategy for the Donald Trump campaign in the US presidential election. Recently, there has been a storm of discussing around the world.
Facbook Chief Executive Officer (CEO) Mark Zukerberg acknoledged his mistake.
In a Facebook post Wednestday, Zukerberg said, "We had to do something about this. We've also made mistakes.
In fact, Cambridge Analyst, a UK based consultancy firm, worked as a consultant in 2016 campaign for the Donald Trump in the US presidential election.
