Please enable JavaScript.
Coggle requires JavaScript to display documents.
QR CODE - Coggle Diagram
QR CODE
Technology
Reliable thanks to its redundacy
different versions
Coding
Error correction
Quick Response Code
two-dimensional
greater storage capacity
compact information
Pictures
Videos
Websites
Scan
Application
machine-readable
COVID
Control
Sanitary pass
Hygienic
Restaurants
Stores
Museums
Context
Japan
1999
Used everyday thanks to our new smartphone usage