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barcode scanning 
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Post # 283180
Post Re: barcode scanning
They're called QR codes. The QR stands for Quick Response. Typically, they encode a web address.
zbar-tools (in the repos) will decode them from a webcam image.
I believe there is an iPhone app for these, but I don't have an iPhone to check...

XFX Nforce 750 (built in GeForce 8300), Athlon X2 5000
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Thu Sep 01, 2011 1:32 pm
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Post # 283184
Post Re: barcode scanning
For iPhone:, $7.95

For Droid:, free

It is curious that iOS users have been shown to be willing to pay for their apps, while Android users are not

Production: 4.2-5.dmz.1-liquorix-686. MX-14.3, AMD FX-4130 Quad-Core, GeForce GT 630/PCIe/SSE2, 8 GB, Kingston SSD 120 GB and WesternDigital 1TB
Testing: AAO 722: 3.16-0-4-686-pae. MX-14-4, AMD C-60 APU, 4 GB

Thu Sep 01, 2011 2:02 pm
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Post # 283240
Post Re: barcode scanning
You can generate them here. My current avatar is an example... I heard about them on a recent Tuxradar podcast & was intrigued enough to investigate further. I've also got a (Free.) reader on my N900 called mBarcode.

Fri Sep 02, 2011 5:52 am

bowlkook thanked by: Gaer Boy
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