January 2010
The Tablet: What it Means for Publishing
Friday, January 22, 2010
More on Read Out Loud
Friday, January 15, 2010
Staying Safe with PDF
Monday, January 11, 2010
Choosing between PDF and XFA forms
Tuesday, January 5, 2010
December 2009
2009 Best of Planet PDF
Monday, December 21, 2009
It “sounded” like a good idea at the time
Wednesday, December 16, 2009
Follow ADS and Duff Johnson via Twitter!
Monday, December 14, 2009
Making PDFs Comply with Section 508: An AUC Tech Talk
Tuesday, December 1, 2009
November 2009
Why PDF is a Black Box for Content Managers
Wednesday, November 18, 2009
Talking PDF Standards in Orlando
Tuesday, November 3, 2009
October 2009
Software Review: PDF on the iPhone
Monday, October 12, 2009
September 2009
PDF in Snow Leopard's Preview? Maybe not.
Friday, September 4, 2009
Archive
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- July 2006
View the archive back to 2000.

Some people like to talk. Appligent Document Solutions CEO Duff Johnson has shared his tips, tricks, complaints, philosophies and rants about PDF technology and the correct implementation thereof for over a decade.
Talking PDF collects Duff's articles, blog-posts and presentations about PDF technology and PDF Standards into one extremely PDF-centric place.
Most articles and blog-posts were originally published on Nitro PDF's Planet PDF site or Adobe's AcrobatUsers.com site. No attempt has been made to gather Duff's voluminous PDFZone, and PlanetPDF forum posts going back to 1996 or so - and that is as it should be.
About Duff Johnson
Duff Johnson founded Document Solutions, Inc. (DSI) in 1996, one of the first to deliver services for PDF electronic publishing and business-process applications.
In 2008, DSI merged with industry software pioneer Appligent, Inc, founded by CTO Mark Gavin. The combined company, Appligent Document Solutions, possesses an unmatched breath and depth of resources and experience in PDF technology.
While CEO of Appligent Document Solutions, Duff Johnson continues to serve the electronic document industry in several related capacities:
- Chair of the U.S. Committee for ISO/AWI 14289 (PDF/Universal Accessibility)
- Vice Chair of the U.S. Committee for ISO 32000 (PDF Reference)
- Member of the U.S. Committee for ISO 19005 (PDF/A)
- A feature article contributor on Planet PDF, commonly featured in the annual Best of Planet PDF. See http://www.planetpdf.com/duffjohnson
- A feature article contributor and blogger on Adobe's' AcrobatUsers.com
PDF Software Reviews
By popular demand: a page dedicated to Duff's reviews of PDF software.

