Based on white paper data from the Ministry of Internal Affairs and Communications, the activities of 2 major platform operators are covered. The text provides a reference to the white paper data.
The text mentions the activities of 2 major platform operators as information based on white paper data from the Ministry of Internal Affairs and Communications. No specific figures or time periods are provided in the text.
The Ministry of Internal Affairs and Communications' website is cited as the supporting source, and the URL for the relevant page in the white paper is provided.