Designing for the Retina displayBuilding apps for the iPhone 4’s Retina display involves creating two sets of images — one at 163ppi and another at 326ppi. After slogging our way through an app build or two, we feel confident that we have a decent workflow for attacking future Retina display app designs. Hopefully this information is of use to other designers. Bitmaps are your enemy # When it comes to building UI elements that s
