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Promo Codes
I wish to know that how promo code works. What type of language used to make a promo code and how it is known that the code is expired or not.
3 Answers
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Promo codes are the codes given by developers to promote on google play to use it freely
+ 4
Like for instance I'm going to buy a course on udemy or buy something on e-commerce site. During checkout there is an option of applying coupons. I'm talking about that coupons. How they help in a discount or in for free. How these things work.
0
://promo code can you please explain it more