Pinduoduo has always recommended adult products. What's going on here?

Pinduo has always recommended adult products, which is based on personal purchase records and age.

Generally speaking, if you have purchased related products before, the system will default that you have this demand and will always recommend it to you. In addition, if you have recently browsed related products, you will also be crawled by the system, so as to recommend products according to your personal preferences.

In addition, the system of people in their twenties may also be pushed, because these are intentional groups that recognize the supply of goods, so they will recommend them from time to time, thus increasing the sales of products.