Which of the following is not a common promotion channel in e-commerce

Does the subject want to ask "what are not common promotion channels in e-commerce"? Traditional advertising media, telephone sales.

1. Traditional advertising media: Although traditional advertising media, such as newspapers, television and radio, still have certain media value, they are not common promotion channels in e-commerce. This is because e-commerce pays attention to the promotion and marketing methods of digital channels such as the Internet, and the audience groups of traditional media and the target customer groups of e-commerce are not completely coincident.

2. Telemarketing: Although telemarketing still exists in the industry, it is not the main promotion channel in e-commerce. This is because telemarketing consumes manpower and time and is often regarded as harassment in the eyes of customers.