Group items tagged

A PDF file equipped with well-formed tags may be "reflowed" to fit different page or screen widths, and will display well on handheld devices. Tagged PDF files also work better with the screen-reader devices used by many blind and other disabled users. In most cases, tags are necessary in order to make a PDF file comply with Section 508.

Amazon's new world-beating gadget isn't the savior of the e-book, genre. It's a proprietary, market-protecting anomaly in a world of increasingly open standards and accessible media. Shame on you, Amazon. (...) The thing that e-books need, I'm convinced, is PDF. Secure, reflowable, customizable PDF. The reader devices need to be easy on the eyes, lightweight, and allow users to shunt any PDF to it, whether it's a specially formatted e-book or not. If I am paying $300+ for essentially a document storage device on steroids, I need to be able to put my own junk on it, too. (...)You might be lining your own pockets and making a few sales, Mr. Bezos, but you're also promoting confusion in the marketplace and causing division in the e-book space at a time when everyone else is pushing for convergence and open standards. Thanks for nothing.

To be accessible the PDF form must be created as a tagged document. The goal of the form design is to ensure that all the field elements are placed in the logical structure within the tag tree and have appropriate text descriptors using tool tips or captions.

google cached OCR of the JdG Vademecum image PDF

According to a copy of the suit, Discovery charges that Amazon violated its patent for Electronic Book Security and Copyright Protection System. The patent, U.S. 7,298,851, was issued to Discovery Communications by the U.S. Patent and Trademark Office on Nov. 20, 2007, per the lawsuit filing (PDF). It was initially filed in 1999.