During the 2016 Brexit referendum Cambridge Analytica attracted controversy for its use of data gathered from social media. A similar case took place in which a breach in Facebook data was acquired by Cambridge Analytica and used to encourage British citizens to vote to leave the European Union in the 2016 EU referendum. Besides Cambridge Analytica, several other data companies such as AIQ and the Cambridge University Psychometric Centre were accused of, then investigated by the British government for their possible abuse of data to promote unlawful campaign techniques for Brexit. The referendum ended with 51.9% of voters supporting the withdrawal of the United Kingdom from the European Union. This final decision impacted politics within the United Kingdom, and sent ripples across political and economic institutions worldwide.