Problem
A web application developed by an ICT pofession does not follow World Wide Web Consortium W3C Web Content Accessibility Guidelines (WCAG) 2.0. A customer has reported following issues with the web application. "The site is unnavigable and require large amounts of time to read text from the top of the page to the bottom without navigation cues. Occasionally the user gets trapped in areas on a webpage unable to move to another area and must abandon the page altogether." Which one of the values below from ACS Code of Professional Conduct has the ICT professional not followed while developing the web application?