Which AI technique is primarily used by modern food delivery apps to recommend dishes you might like based on your past orders and similar customers' preferences?

In the rapidly evolving food industry, artificial intelligence is transforming how consumers discover and select products. Major food retailers and delivery platforms have implemented sophisticated AI systems that analyze customer preferences, purchase history, and even seasonal trends to offer personalized recommendations. How well do you understand the technology behind these food recommendation systems?

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Collaborative filtering
Natural language processing
Computer vision recognition
Generative adversarial networks