What is the business principle in internet advertising??
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Pay per click
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Pay per commision
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Pay per visits
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All the above
D
Correct answer
Explanation
Internet advertising uses multiple business models including pay-per-click (PPC), pay-per-commission (affiliate marketing), and pay-per-visit models. Different advertisers and platforms use different models depending on their goals and metrics. The correct answer acknowledges that all three models are legitimate and actively used in digital marketing.