Final answer:
The advertising company has used the technique of Bandwagon to persuade you to buy the clothes.
Step-by-step explanation:
The advertising company has used the technique of Bandwagon to persuade you to buy the clothes. Bandwagon is a persuasive technique where the company shows a group of people doing or buying something in order to make the viewer feel like they should do it too to be part of the group.
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