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Personally I have several reasons for advocating Web accessibility. First of all an idealistic one: I want everybody to be able to use the Web. I am not disabled (yet), so I can (and am often forced to) muddle through sites that are badly built, but a person with a disability may not be able to. Since it is possible to build sites that almost everybody can use, I don’t see why we shouldn’t. Then a few reasons that some may call selfish: I do not have any problems related to motor skills, but I have a really hard time using dropdown and flyout menus, especially hierarchical ones, as well as phony Flash or JavaScript scrollbar imitations. Accessible sites in general either do not contain such obstacles or provide ways around them. Despite having no substantial eyesight problems, I find reading tiny text (below 11px is tiny to me), low contrast text, and reading any size high contrast, light-on-dark text to be very straining. A website designed with accessibility in mind is less likely to cause legibility problems for me. I like being able to use my keyboard to navigate websites. Accessible sites are keyboard friendly since they do not force people to use a mouse.

We considered a few approaches, but decided to grow our new widget out of Adobe Flex and Adobe AIR. This is firstly because these tools met our requirements to work cross-platform and deliver the desktop experience we wanted, and also because they linked up with in-house skills in the team which manages them, making them simpler to manage.

BBC Future Media & Technology's pilot widget application BBC LiveUpdate uses the Adobe AIR runtime, which is dependent on users downloading and installing a plugin to their desktop, but which unfortunately does not currently support screenreaders (or other software which relies on the Microsoft Active Accessibility layer for assistive technologies). We're working with Adobe to make tools built with AIR more accessible than current products wherever possible and are committed to delivering accessible services. As this is a beta product, there are also other limitations in how much we have been able to establish accessibility support in the following areas:Colour contrast cannot be alteredText size cannot be alteredLacks consistent alt textLacks Title attributesIs not entirely tabbable.

3. Easy conversion of existing Flex or HTML applications. It’s the same basic runtime. In the case of HTML, AIR apps rely on WebKit, the core component in Apple’s Safari web browser.

7. Rich design and multimedia. This is Flash, so ideal for highly customized UIs, animation, sound and video. Adobe is proving the point by creating a media player built with AIR. Existing Flash developers can easily use their skills to build AIR applications.

4. Proprietary technology. AIR applications depend on Adobe’s runtime.