Apple is continuing development of its rumored larger-sized iPad and working with supplier Quanta Computer, reports Chinese site United Daily News (via Mac Otakara). While United Daily News calls the tablet a 12-inch device, rumors from The Wall Street Journal suggest that Apple is actually testing an iPad that is closer to 13-inches diagonally. News that Apple was testing a larger iPad first surfaced in May, and was later confirmed in July. Such a tablet could be similar in size to Apple's 13-inch MacBook Air, as seen in renderings