Final answer:
The advertising company has used the special offer technique to persuade customers to buy the fitness program.
Step-by-step explanation:
The advertising company has used the special offer technique to persuade you to buy the fitness program. They have mentioned that you will receive something for free when you use the promo code, which creates a sense of exclusivity and encourages immediate action. This is a common strategy used in infomercials to attract customers.
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