"Glitches with Apple's iTunes activation server may have caused delays but it didn't stop Apple from selling 1 million 3G iPhones in its first three days of availability. This compares to the launch of the original iPhone, which took 74 days to sell 1 million devices. Of course, one major difference between the first-generation iPhone and the iPhone 3G is that the iPhone 3G was available in 21 countries on July 11. "