"Express Install uses the existing Flash Player to upgrade users to the latest version of the Player when it is required for viewing content. As a developer, this means that you have the ability to not only detect when users do not have the latest version of Flash Player, but you can initiate an update that securely installs the latest version of the Player from the Adobe web site."
"Inspiré par SWFObject, UFO et sIFR, jQuery Flash Plugin a été complètement réécrit via jQuery pour éviter les redondances telles que recherche des éléments par leurs sélecteurs, la détection du navigateur, détection de Flash et améliorer les temps de chargement (si vous utilisez déjà jQuery, bien entendu)"
Modernizr doesn't actually magically enable CSS3 properties for browsers that don't support them. It just tells the page whether that feature is supported on the browser the visitor is using or not.