The word accessibility is quite general and is often used by people to research and share accessible experiences. The first 5 tweets here at the time of writing are discussing accessible fonts, the state of accessible websites, Tim Berners-Lee’s accessibility guidelines, audio descriptions for online video, and how to create accessible data visualisations. By being less accessible, the word a11y denotes a more technical approach to accessibility, not necessarily from those who use accessibility tools, but those who create them.