Witkeys refers to people who convert their wisdom, knowledge, ability and experience into actual benefits through the Internet. They make their knowledge, wisdom, experience and skills reflect economic value by solving problems in science, technology, work, life and learning on the Internet.
According to the above definition, which of the followings belongs to a Witkey mode?
A large household appliance manufacturer has set up its own website. Consumers can leave their address and contact information on the Internet if they encounter any problems in the process of using the household appliances produced by the enterprise. The enterprise provides door-to-door service.