two dimensional bar codes are QR (Quick Response) Codes are famous technology and technique.
details
course on QR codes: https://sites.google.com/site/qrcodessimplebasics/home
But new technology for mobile communication is based on NFC (Near Field Communication) - sometimes known as "N" Codes.
good starting point: http://en.wikipedia.org/wiki/Near_field_communication
wow - apple seem to be first party to consider it http://www.bloomberg.com/news/2011-01-25/apple-plans-service-that-lets-iphone-users-pay-with-handsets.html
here comes the latest status at http://www.nfcmobiledevices.com/
References to follow on:
http://www.linkedin.com/
- (2011, April) "Are QR codes dead ouside of Japan and Korea?"
http://blog.barcoding.com/
- (2011, April) "Cashless Purchasing: QR Codes vs. NFC"
http://vestadvertising.com/qr-
- (2011, April) "QR Codes vs. Near Field Communications: Do you need
to choose?"
http://www.fortcollinskw.com/
- (2011, April) "NFC Technology vs QR Codes for Real Estate"
http://44doors.com/tag/nfc-vs-
Will Live On"
http://nfcdata.com/blog/?p=
Field Communication: The Battle for Google’s Attention"
http://www.eventmanagerblog.
QR Codes. NFC Will Rule Your Event"
http://www.quora.com/Why-did-
- (2011, April) "Why did Google places drop QR codes for NFC tags?"
http://www.quora.com/QR-Codes/
- (2011, February-April) "Will QR codes be superseded by NFC
technology?"
http://diy-marketing.blogspot.
- (2011, February) "The Mobile Future--QR or NFC?"
http://thinkd2c.wordpress.com/
- (2011, 31st of March) "Google kills QR Codes, no one notices, and
joins the NFC forum"
http://bluefuego.com/index.
- (2010, October) "5 Reasons Why QR Codes Will Fail"
improving on QR - http://en.wikipedia.org/wiki/Bit.ly
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