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Screen-shot of Google Trends search for "PDF".

How do we gain insight into how users’ views of documents are shifting? Google Trends is an increasingly interesting source of high-level marketplace data. By aggregating Google’s search data over time, reporting a term’s popularity as compared with all other searches.

Diagram of the workflow described herein.

The PDF Techniques Accessibility Summit’s objective is to establish a broad-based understanding of how PDF files should be tagged for accessibilty. It’s an opportunity to focus on establishing a common set of examples of accessible PDF content, and identify best-practice when tagging difficult cases.

A pink lemon-slice among yellow slices.

The typical adoption curve for PDF technologies until approximately 2007 tended to track with that of the original PDF developer. Since then the marketplace has shifted; it’s no longer clear that Adobe drivesPDF feature support worldwide. Accordingly, we are happy to report that adoption of PDF 2.0 continues apace, with new vendors announcing their support every month.

Support for PDF features and subsets

A pink lemon-slice among yellow slices.Interoperability is key to PDF’s value-proposition. And yet, PDF is a vast and complex format; perhaps no single product supports 100% of PDF.

Many features and PDF subsets are designed for use in vertical marketplaces such as high-end and transactional printing, engineering, archival and more.

As the meeting-place of the PDF industry, the PDF Association’s role, in part, is to promote members’ support for ISO-standardized PDF technology.

The following pages list members who make a specific point of their support for standardized PDF specifications in their products and services.

ISO 32000-2:2017 (PDF 2.0)

ISO 14289-1:2014 (PDF/UA) and related PDF/UA compliance services