cracking the qr code
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Cracking the QR Code
Laura M. Botts, C.A.
Society of American Archivists
August 26, 2011
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What is this thing?
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Think of it like a barcode…
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… only better!
http://hyperboleandahalf.blogspot.com
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Traditional “1-D” Barcode
• Must be scanned from left to right by a laser.
Sources: www.veritecinc.com and www.mobile-barcodes.com
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Traditional “1-D” Barcode
• Must be scanned from left to right by a laser.• Holds limited data, up to 20 digits.
Sources: www.veritecinc.com and www.mobile-barcodes.com
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Traditional “1-D” Barcode
• Must be scanned from left to right by a laser.• Holds limited data, up to 20 digits.• A missing bar can give a false result, but the
user won’t know.
Sources: www.veritecinc.com and www.mobile-barcodes.com
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Traditional “1-D” Barcode
• Must be scanned from left to right by a laser.• Holds limited data, up to 20 digits.• A missing bar can give a false result, but the
user won’t know.• Not recommended for use on a shiny surface
because of laser reflection.Sources: www.veritecinc.com and www.mobile-barcodes.com
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Expanded “2-D” Barcode
• Can be scanned at any angle by a CCD (charge-coupled device) camera like those in smartphones.
Sources: www.veritecinc.com and www.mobile-barcodes.com
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Expanded “2-D” Barcode
• Can be scanned at any angle by a CCD (charge-coupled device) camera like those in smartphones.
• Can hold 100 times more data than standard barcode, up to 7,089 digits.
Sources: www.veritecinc.com and www.mobile-barcodes.com
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Expanded “2-D” Barcode
• Can be scanned at any angle by a CCD (charge-coupled device) camera like those in smartphones.
• Can hold 100 times more data than standard barcode, up to 7,089 digits.
• Can be read accurately with up to 25% damage to code and lets the user know about failure to read.
Sources: www.veritecinc.com and www.mobile-barcodes.com
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Expanded “2-D” Barcode
• Can be scanned at any angle by a CCD (charge-coupled device) camera like those in smartphones.
• Can hold 100 times more data than standard barcode, up to 7,089 digits.
• Can be read accurately with up to 25% damage to code and lets the user know about failure to read.
• Can be used on shiny surfaces since reading is performed by camera, not laser.
Sources: www.veritecinc.com and www.mobile-barcodes.com
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Who’s Using Them?
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Millions of Americans!
http://mediaplusme.wordpress.com
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Where can I find them?
advertisements
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Where can I find them?
retail outlets
Image: http://retailgeek.com
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Where can I find them?
museum exhibits
Image: http://blog.childrensmuseum.org
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Where can I find them?
museum exhibits
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Where can I find them?
airports
Image: http://www.chrisrawlinson.com
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Where can I find them?
library catalogs
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Where can I find them?
television
Image: http://nydigitallab.ogilvy.com
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But I’m an archivist. What good are they to me?
http://hyperboleandahalf.blogspot.com
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web site link
The code below… … links to this site.
http://about.me/laurabotts
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link a display to more information
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Vcard virtual business card
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Add contact / Show map / Dial number / Send email
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Other Ideas for QR Codes
• Link an event web site to a postcard – no need to reprint cards if the schedule changes, just update the site!
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Other Ideas for QR Codes
• Add them to student handouts, linking to contact information, services, hours, inter- library loan, etc.
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Other Ideas for QR Codes
• Put them on library shelves containing related collections as a way to entice patrons to the archives.
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Other Ideas for QR Codes
• Add in-depth information to displays; link to finding aids or biographical info.
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Other Ideas for QR Codes
• Include a map to your institution on a brochure. Sites such as Google Maps allow patrons to enter their addresses for driving directions.
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Other Ideas for QR Codes
• Provide a link to a survey on visitor satisfaction.
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Other Ideas for QR Codes
• Add a tutorial video to your microfilm reader or photocopier.
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How do I create one?
Search online for “QR code generator.”
QR code generator
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How do I create one?
Select your site, then choose the type of object you want to create.
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How do I create one?
Enter the information, and save the code.
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Some generators allow custom colors, shading, etc.
= =
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How do users read them?
All they need is a smartphone or tablet with a camera and a barcode scanner app.
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How do users read them?
Free apps are available for download, and some phones have them pre-installed.
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How do users read them?
Add context to let the user know what will happen when they scan.
Scan here to visit my web site!
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Go forth and code!
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Sources
• comScore, Inc. press release: http://goo.gl/EhBaj• Pew Internet survey on smartphones: http://goo.gl/ZD5Fj• Aaron Tay’s blog post on QR codes: http://goo.gl/aR7EX • Veritec Code Comparison: http://goo.gl/nq2hU• Mobile Barcodes information: http://goo.gl/dgFuf • List of code generators: http://goo.gl/vN9bi • My blog post on QR codes: http://goo.gl/ITrhC • Hyperbole and a Half:
http://hyperboleandahalf.blogspot.com