One day, the Apple iPhone 5 will launch too, but, until then, there's tons to like about the iPhone 4S, and it's on sale now. Apple began selling the iPhone 4S at all 245 Apple stores in the United States starting at 8 a.m. local time on Friday. The iPhone 4S will also go on sale at AT&T, Sprint, and Verizon stores, as well as at Best Buy, Target, and Wal-Mart. The demand is already very high. For iPhone 4, roughly 600,000 units were sold in 24 hours, but for iPhone 4S, more than a million preordered units were booked during the equivalent period.

The iPhone 4S includes the Siri voice-recognition software that can create and send messages for you. It also comes with iOS 5, which includes over 200 new features itself. So what else makes the iPhone 4S so special? Here are 10 reasons you might want to pick one up this weekend.

Teil us in the comments if you stood in line for more than four hours or if you were the first in line at your local store.

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