Fast out of the gate, iPad magazine sales slowing by the first turn

After an initial flurry of sales, particularly for Wired magazine, which was first out of the gate, iPad magazine app sales have, um, plummeted. The chart is from Silicon Valley Insider and shows the sales of four leading Conde Nast titles (CN being one of the most aggressive investors in iPad apps.) Whether the reported "digital newsstand" that Apple is promising will goose up sales remains to