Instruction: Discuss how to choose the right types of data (modalities) for a specific AI project.
Context: This question probes the candidate's strategic thinking in determining the most effective data types for achieving project goals, ensuring they can design efficient Multimodal AI systems.
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The way I'd explain it in an interview is this: I select modalities based on information value, availability, cost, reliability, privacy risk, and deployment realism. A modality is only worth adding if it contributes useful signal that the system...