You can make money by investing 300 thousand in business cards in the future. Future business card app money-making model: "traffic-advertising" model. Someone once laughed at Google and thought that "Google is an advertisement seller". This sentence tells the most basic profit model of the internet-"traffic-advertising" model. There are two forms of advertising mode. One is the form of "content-traffic", that is, attracting traffic through wonderful content as the basis of advertising; The other is the form of "search engine", which stands for Google. In the early Internet companies, the profits basically came from the "traffic-advertising" model. These models need funds, at least 300 thousand yuan to run.