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Summary
AI-generated advertising promises scalable personalization—but how much is too much? This study explores how different levels of personalization in AI-generated ads influence consumer attitudes. Through a series of experiments, the authors identify an inverted U-shaped effect: while moderate personalization enhances ad effectiveness, excessive tailoring can lead to consumer discomfort, triggering concerns about manipulation and privacy. The findings provide timely guidance for marketers navigating the trade-offs of hyper-personalized messaging in the age of generative AI.