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🔑:1) Confirmation bias, as it assumes customer's preferences align perfectly with the brand; 2) Sampling bias, if the survey only includes existing customers rather than a diverse group.

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🔑:Social media has transformed communication by enabling instantaneous connections, promoting global discourse, and allowing for diverse expressions, while also introducing challenges like misinformation and decreased face-to-face interactions.

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🔑:Solar energy harnesses sunlight through panels, suitable for areas with ample sun, while wind energy uses turbines to capture wind power, effective in windy regions. Both are sustainable but differ in infrastructure and location efficiency.

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🔑:An ethical dilemma includes the challenge of patient privacy, where AI systems may require access to sensitive data for accurate diagnosis while ensuring compliance with regulations like HIPAA.