Witkey mode means that some people convert their wisdom, knowledge, ability and experience into actual benefits through the Internet. They generate economic value through solving problems in science, technology, work, life and learning on the Internet.
According to the above definition, which of the followings is the Witkey mode?
The photographic works on the personal website of a photographer attracted a large number of netizens to browse and forward them. Later, the photographer relied on publishing photographic equipment advertisements on the website to generate a lot of income.