Politicians can use social media ads to buy votes for just €4
An analysis of the 2021 German federal elections has found that for every 200,000 times a politician's social media adverts were viewed, their vote share increased by 2.1 per cent - a potentially low-cost way of swinging elections
![Politicians can use social media ads to buy votes for just €4](https://images.newscientist.com/wp-content/uploads/2024/05/02120421/SEI_202281987.jpg)
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