Apple sells 4 million iPhone 4S units in first weekend

The iPhone 4S had a huge weekend on store shelves--or more precisely, leaping off store shelves.

Apple said today that it sold 4 million iPhone 4S units worldwide between Friday and Sunday. According to Apple senior vice president for worldwide product marketing, Phil Schiller, that figure is "more than double the iPhone 4 launch during its first three days." Last year, Apple announced that it sold 1.7 million iPhone 4 units in the smartphone's first weekend of availability.  More Read