3 terminals on the Internet

Three terminals of today's Internet: Web terminal, PC terminal, and mobile phone terminal;
Web: targets all Internet users. The web end will replace PC and become a more important activity platform. This is the game between Google and Microsoft;
PC end: Web end cannot implement more complex applications due to browser restrictions; use PC end to run applications and synchronize data through web end;
Mobile Phone: (personal understanding) the mobile phone is used to obtain information, and then the information displayed on the web and PC is fed back to the mobile phone user;
 
Mobile phone <=> Web: security level equivalent, full data synchronization

PC end <=> Web end
1. Download from the Web end to the PC end
The PC end is the base, and the Web end data will be downloaded to the PC end unconditionally.

2. PC-to-web upload: the PC-side is a data base. Therefore, the PC-side content upload is cautious Based on the privacy and security considerations of the hidden information.

3 terminals on the Internet