3.  The iPhone allows conferencing, call holding, call merging, caller ID, and integration with other cellular network features and iPhone functions.  The iPhone includes a Visual Voicemail feature allowing users to view a list of current voicemail messages on-screen without having to call into their voicemail.

4.  The iPhone features a built in 2.0 megapixel camera, without a flash  The iPhone also features an e-mail program that supports HTML e-mail, which enables the user to embed photos in an e-mail message  The iPhone is able to access the World Wide Web via a modified version of the Safari web browser when connected to a Wi-Fi or an EDGE network

5. http://www.youtube.com/watch?v=bhhb aaWBgnk

6. http://en.wikipedia.org/wiki/IPhone