Regarding the retina loupe effect demo this has been done a while back - using css and an image for the loupe edge. Picks up mouse and touch events. Even works

Regarding the retina loupe effect demo this has been done a while back - using css and an image for the loupe edge. Picks up mouse and touch events. Even works on older browsers. http://homepage.ntlworld.com/infinnerty/differences/attic/attic.html http://homepage.ntlworld.com/infinnerty/differences/attic/at...