Apple iPhone 3G S

The Fastest iPhone Ever - The first thing you’ll notice about iPhone 3G S is how quickly you can launch applications. In fact, everything you do on iPhone 3G S is up to 2x faster and more responsive than iPhone 3G.

Video - Now you can shoot video, edit it, and share it — all on your iPhone 3G S.

3-Megapixel Camera - The new 3-megapixel camera takes great still photos, too, thanks to built-in autofocus and a handy new feature that lets you tap the display to focus on anything (or anyone) you want.

Voice Control - Voice Control recognizes the names in your Contacts and knows the music on your iPod. So if you want to place a call or play a song, all you have to do is ask.

Compass - With a built-in digital compass, iPhone 3G S can point the way. Use the new Compass app, or watch as it automatically reorients maps to match the direction you’re facing.

Cut, Copy & Paste - Cut, copy, and paste words and photos, even between applications. Copy and paste images and content from the web, too.

Landscape Keyboard - Want more room to type on the intelligent software keyboard? Rotate iPhone to landscape to use a larger keyboard in Mail, Messages, Notes, and Safari.

Messages - Send messages with text, video, photos, audio, locations, and contact information. You can even forward one or more messages to others.

Search - Find what you’re looking for across your iPhone, all from one convenient place. Spotlight searches all your contacts, email, calendars, and notes, as well as everything in your iPod.

Accessibility - iPhone 3G S offers accessibility features to assist users who are visually or hearing impaired. These features include the VoiceOver screen reader, a Zoom feature, White on Black display options, Mono Audio, and more.

Internet Tethering - Surf the web from practically anywhere. Now you can share the 3G connection on your iPhone with your Mac notebook or PC laptop.

Voice Memos - Capture and share a thought, a memo, a meeting, or any audio recording on the go with the new Voice Memos application.

Nike + iPod - iPhone includes built-in Nike + iPod support. Just slip the Nike + iPod Sensor (available separately) into your Nike+ shoe and start your workout.

Stocks - Stocks on iPhone shows you charts, financial details, and headline news for any stock you choose. Rotate iPhone to see even more detailed information.

YouTube - Watch YouTube videos wherever you are. Log in to your YouTube account to save and sync bookmarks and rate your favorites.

Ref: http://www.apple.com/iphone/iphone-3g-s/