The document discusses disabilities and how to make the web more accessible. It begins with an introduction and motivation for improving web accessibility. It then provides a possible classification of disabilities including visual, hearing, physical, speech, and cognitive/neurological. For each classification, it provides examples of things to avoid to make the web more accessible for those with disabilities. It concludes by discussing assistive technologies and adaptive strategies that can help, and emphasizes the importance of making the semantic web accessible to all.