What is PS and what is SP?

What is SP? What is SP? SP refers to the direct provider of mobile Internet service content application services, and is responsible for developing and providing services suitable for mobile phone users according to users' requirements. From the perspective of enterprise business development, SP can be divided into three categories at present: ★ Portal SP is a short message service provided by portal websites. Mainly Sohu, Sina, Netease and China. Com, Tom and so on. Its short message service mainly includes ringtones, pictures, short messages, news, games and so on. These services that need to be constantly supplemented are the specialties of these portal SP. ★ Professional SP is a company whose main business is SMS. Judging from the types of services provided, professional SP and portal SP almost completely overlap. But from the specific business point of view, the advantage of professional SP lies in the need for innovative technology and creative services; ★ The representative of special SP is Tencent. Unlike other SMS service providers, Tencent has no common services such as pictures, ringtones and games, and only focuses on its own QQ derivative SMS service with monopoly advantages. PS stands for: 1 PS refers to postscript, meaning "remarks and notes"; 2 PS refers to Photoshop, a famous professional image processing software, which is used by almost all advertising companies and graphic design companies; 3 PS refers to Sony's play station, and subsequent versions include PS2, PSP and PS3. 4 PS refers to politics, that is, "politics", which is a branch of science; 5 PS refers to polystyrene, which is a thermoplastic synthetic resin. Its biggest application field is the electronic/electrical appliance industry ... In short, PS has many meanings, so we should understand it slowly ~ ~ ~