Weike model means that some people convert their wisdom, knowledge, ability and experience into actual benefits through the Internet. They make knowledge, experience and skills produce economic value by solving problems in science, technology, work, life and learning on the Internet.
According to the above definition, which of the following belongs to the Weike model?
A public welfare website set up by college students to answer free learning questions of primary and secondary school students has been well received by students and parents. A local educational institution has sponsored the expansion of this website to help more students