TLDR: Facebook have started giving ad explanations to improve transparency. The key finding is that explanations are often incomplete, and sometimes misleading

TLDR: Facebook have started giving ad explanations to improve transparency. The key finding is that explanations are often incomplete, and sometimes misleading. I found that the article is also interesting as a good intro to how advertising in Facebook works. The authors provide a tool, AdAnalyst, that gives improved explanations and that they hope will allow users to detect malicious and deceptive advertising.