1. Spotlight Search - Search your entire iPhone with this new feature. Find it by simply pressing the home button while you are at the home screen or keep swiping to the right while at the home screen.
2. Cut, Copy and Paste - To copy a text message tap on the message bubble and hold for a second until the Copy command appears. Tap on it to copy the text. Then go to the application where you want to past the text and then tap on the screen and hold again until the paste command appears.
3. Reply to email with quoted text - Before replying to an email, select the text you want to quote using the copy feature, and then tap on the reply tab.
4. Shake to Update, Shuffle - If your using an application such as Facebook, TwitDeck and others with real-time updates, you can shake the iPhone to refresh the page and display current updates from those services. Also, when using the iPod, you can shuffle songs by shaking the iPhone as well.
5. Sign in facility for YouTube - If you have a YouTube account, you can now log-in to your account using the default YouTube app.
6. Landscape Virtual Keyboard - Apple has implemented Landscape Keyboard all over the new iPhone OS. Simply turn your iPhone sideways while composing any text.
7. Special Characters - When composing a message, additional characters can be activated. Holding down the ".", the quotations and apostrophes bring out "<<" and ">>"
8. Adjust Speed of Song Scrolling - This new feature lets you scroll through songs at various speed. Simply tap on the scrolling point while listening to a song until it glows, then drag to the left or right to scroll at high speed or downwards to scroll at half speed, quarter speed or fine scrubbing.
9. Podcast Playback - A 30 second rewind button has been added. You can also play the podcast at faster speeds.
10. Internet Tethering - You can connect a PC to your iPhone either via USB or Bluetooth for carriers which supports this feature. U.S. iPhone users still have to wait for official announcement from AT&T though.
11. Shake to Undo Typing - Similarly, while you are in a mail, messaging, Safari or Notes apps, you can shake the iPhone to undo what you have typed.
12. Force Quit an App - Unlike before when you use the home screen button to do this, with iPhone 3.0 you will have to press the Sleep/Wake button and hold down the Home button as soon as the slider turns red.
13. Unlimited Installed Apps (sort of) - iPhone 3.0 allows you to install as much apps as your iPhone's memory can possibly hold.
