Divided into two categories based on the type of digital goods such as software, music, etc., which can be sent via the Internet. And non-digital goods such as clothing, jewelry, etc.Through the mail.
By the item category split into 2 categories of digital goods like software, music, etc., which can be sent through the Internet and other non-digital, such as clothing, jewelry, etc. Via postal mail
The types of products can be divided into 2 types of digital products such as software, music, etc. , to send goods through the Internet and digital products such as clothes, jewelry, etc. , notvia postal mail