I looked into that in http://blog.yoav.ws/2012/05/Responsive-image-format http://blog.yoav.ws/2012/05/Responsive-image-format But image formats are hard, since

I looked into that in http://blog.yoav.ws/2012/05/Responsive-image-format http://blog.yoav.ws/2012/05/Responsive-image-format But image formats are hard, since they require an eco system, investment from large cos, etc. Maybe in a few years...