Web Content Accessibility Guidelines
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¨Guideline 7
¨Ensure user control of time-sensitive content changes.
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¨Ensure that moving, blinking, scrolling or auto updating objects or pages may be paused or stopped.
Ticker tape type displays
Some Screen readers are unable to read moving text and those that do jump to the moving text ad re-read it every time it changes, the same applies to screen magnification programs. People with physical disabilities might not be
able to move quickly or accurately enough to interact with moving objects.