Fortune article has a little more on his methodology and said: "Munster's team called 50 Apple Stores on Sunday and found that 49 of them had sold out of iPad

Fortune article has a little more on his methodology and said: "Munster's team called 50 Apple Stores on Sunday and found that 49 of them had sold out of iPad 3Gs and most had run out of Wi-Fi-only models as well. But it's not clear whether that's because demand was high or supplies were low. Munster believes it was probably a bit of both." http://tech.fortune.cnn.com/2010/05/03/ipad-3g-sold-out-in-49-of-50-stores/ http://tech.fortune.cnn.com/2010/05/03/ipad-3g-sold-out-in-4...