QR code

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QR code by Mind Map: QR code

1. disavantage

1.1. Without a smartphone, consumers will be unable to scan the code

1.2. QR codes cannot be used if there is no internet connection.

1.3. risk of getting virus through malicious sites or downloads on their smartphone.

2. function

2.1. Virtual stores

2.2. store bank account information or credit card information

2.3. Website login

2.4. Encryption

3. history

3.1. inventor

3.1.1. Denso Wave

3.2. When was it invented

3.2.1. 1994

4. standard

4.1. October 1997 – AIM

4.2. January 1999 – JIS X 0510

4.3. 1 September 2006 – ISO/IEC 18004:2006

5. user

5.1. popularity

5.2. why use QR code

5.3. image about QRcode

6. adventage

6.1. compare to bar code

6.1.1. Fast and reliable scanning for camera based devices

6.1.2. support for multiple data types.

6.1.3. Greater data storage capacity

7. how to use it

7.1. Mobile operating systems