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<p id="first_paragraph"> Put your graphical user interface to this test: Adjust the contrast on your display until the screen is completely black. </p> <p>Now, perform basic e-mail, word processing and Web-browsing tasks.</p> <p>What? Having a problem?</p> <p>Welcome to the world of the 1.3 million Americans who are blind.</p>

The most prominent is <a href="http://www.un.org/disabilities/default.asp?id=269">Article 9 - “Accessibility”</a>, which places accessibility of information, communication, and technologies (ICT) at the same level as Articles on “The right to life”, “Equal recognition before the law”, “Access to justice”, and “Freedom from torture or cruel, inhuman or degrading treatment or punishment”. You can see that accessible ICT is being taken very seriously.

<strong>Most eLearning tools do not promote the creation of effective courses, do not promote web standards, and do not promote accessibility; they merely make cookie-cutter course development easier for technically inexperienced course developers.</strong>

The problem with testability is that even the most reasonable of success criteria can be non-testable—and if a success criterion is not considered testable, it isn’t included in <acronym title="Web Content Accessibility Guidelines"><span class="caps"><span class="caps">WCAG</span></span></acronym> 2.0. Whether the criterion is an otherwise useful technique that improves accessibility is now irrelevant to whether it gets included in <acronym title="Web Content Accessibility Guidelines"><span class="caps"><span class="caps">WCAG</span></span></acronym> 2.0.

This <a href="http://www.mozilla.org/products/firefox/">Mozilla Firefox</a> extension creates a textual representation of a web page similar to how the page would be read by a modern screen reader.