Another round of 2048x1536 iPad graphics has been found in the initial beta version of iOS 5. TechUnwrapped reports that images found in the new Twitter framework are labeled “2x”—the same designation given to similarly-oversized graphics found in iBooks in January—and are 2048x1536 in size, suggesting that a future iPad model will sport a display with quadruple the pixels of the first two generations. An additional “2x”…
