Every year apple will launch new IPhone. Apple has a promotion for buy IPhone before launch. This promotion might make an idea for another people who interest in IPhone.
According to Percy (2014): The encouraging promotions have two categories : immediate reward promotions and postpone reward promotion. Promotions are offer something immediate such as free gift with a purchase. Postpone reward promotion such as benefit of promotion and usually ask the target buyer to do something before receive the benefit promotion. The different encourage will have strengths for attractive new user to brand.