RFID
yip mei yuにより
1. pros
1.1. society
1.1.1. stimulate tech. development
1.1.1.1. New node
1.1.2. more convenient
1.2. personal
1.2.1. save time
1.2.1.1. New node
1.2.2. save space
1.1.1. stimulate tech. development
1.1.1.1. New node
1.1.2. more convenient
1.2.1. save time
1.2.1.1. New node
1.2.2. save space