Transmis par Vincent, pleins de petites vidéos pour apprendre pleins de choses sur l'accessibilité, en anglais sous-titré anglais (cliquer sur le petit icône cc en haut à gauche).
"Graphical user interfaces are full of symbols. Symbols need to be reduced to their essence. This helps avoid cluttering the user interface with meaningless distractions, and makes it easier for people to «read» the symbol and figure out the meaning of an interface element."
This large collection of recently released icon sets is supposed to help designers improve their designs on their web-sites and in web-applications. All icon sets are free.