links for 2011-05-13 Make: Online | If You’re Going To Kill It, Open Source It! (tags: opensource professionalism) Clean Up Your Mess – A Guide to Visual Design for Everyone (tags: design) Guidelines for Accessible and Usable Web Sites: Observing Users Who Work With Screen Readers (tags: accessibility usability <form> formorial screenreader) GW Micro – Window-Eyes (tags: screenreader)