What is drainage in the Internet?

Drainage, as the name implies, is to attract flow. Traffic is your customer base. In fact, there is a lot of traffic now, but how to obtain accurate traffic is the most difficult.

Drainage is to publicize through various platforms of the Internet, so that customers who need your products can take the initiative to add you.

Drainage is to attract your customers to add you, or to suck powder. If you can attract a lot of powder, your business will be very good.