As Baidu's new products and services continue to increase, the industry fears that it is too "bloated" and affect the decline of the core search business. Hong Bo believes that Baidu's expanded products and services have always been to maintain Baidu's unique characteristics, and to effectively expand on the basis of maintaining the original products and services, rather than doing what is hot. For example, once hot "community search" service concept, its model is easy to be copied, Baidu did not do.