How does Pinduoduo use its old customers to promote new stores?

SMS recall: Every time the platform has a new launch activity, it can inform the buyers who have already bought it at the first time through SMS marketing, and praise the buyers, which can not only promote the increase of traffic, but also realize the explosion of old customers.

New product promotion, gift recall: how to promote new products once they appear in the store? Merchants who have made cosmetics know that they like to use collocation to promote sales. First, they can put small gifts in the courier. For example, buyers can buy water cream and try it out with cream samples. If the buyer thinks it is a good match, he may choose to buy it. Merchants can also attract old customers to buy back by adding new products to the original suit, which is more affordable than the original one.