A new study published in the journal PNAS Nexus has shed light on how social media algorithms favor politically sponsored content from certain parties, even when the same budget is applied. This research, conducted by the Politecnico di Milano, LMU – Ludwig Maximilians Universität of Munich, and the CENTAI institute of Turin, analyzed over 80,000 political ads on Facebook and Instagram leading up to the 2021 German federal elections. These ads, representing parties across the political spectrum, generated over 1.1 billion impressions among more than 60 million eligible voters. The findings rev…