Which iPhone are You? Apple Charts the Differences

Apple's Knowledge Base once again steps up in the handy-dandy reference chart department with a feature check-list showing highlighting some major features supported by all iPhone models, by the iPhone 3G and iPhone 3G S, and by the new iPhone 3G S alone.
There are some caveats, however:
- Peer-to-peer connectivity requires compatible applications, which can be downloaded from the App Store when available.
- The original iPhone does not support using Bluetooth for peer-to-peer connectivity. It can use Wi-Fi and cellular data networks for peer-to-peer connectivity.
- MMS is not available in all areas; fees may apply. See your carrier for availability.
- Internet tethering is not currently offered in the United States and some other countries. See your carrier for availability.
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Rene Ritchie is one of the most respected Apple analysts in the business, reaching a combined audience of over 40 million readers a month. His YouTube channel, Vector, has over 90 thousand subscribers and 14 million views and his podcasts, including Debug, have been downloaded over 20 million times. He also regularly co-hosts MacBreak Weekly for the TWiT network and co-hosted CES Live! and Talk Mobile. Based in Montreal, Rene is a former director of product marketing, web developer, and graphic designer. He's authored several books and appeared on numerous television and radio segments to discuss Apple and the technology industry. When not working, he likes to cook, grapple, and spend time with his friends and family.