MacMost: iPhone OS

With many households now using more iOS devices than computers, it is important to be able to sync multiple devices to one Mac. This can be done using one of three main methods.

Take a look at the FaceTime feature of the new iOS 4. You can make video calls from one iPhone to another when using WiFi networks.

Take a look at the two cameras of the iPhone 4. The main camera is a 5-megapixel camera with an LED flash and can shoot 720p HD video. The front-facing camera is a 1-megapixel model that can also take stills and video.

Take a look at the new iPhone. A new design is nice, but an early bug hurts wireless reception if held in your palm. Better screen resolution and two cameras are primary new features.

Besides multitasking and app folders, there are many other new features of iOS 4 such as SMS character counts, orientation lock, spell checking, app gifting, longer passcodes and much more.

Take a look at iOS 4, available today for the iPhone 3GS and iPod Touch. You can have multiple apps running at once and store app icons in folders. Apps like Camera, Photos, Mail and others have new features. You can also use Bluetooth keyboards with your iPhone.

Learn about the new iPhone, coming out later this month. Steve Jobs announced the iPhone 4 this morning with new features such as video calling, a 5-megapixel camera that does HD video, gyroscope, high density screen and more. The iPhone OS becomes iOS and version 4 will include multitasking. iBooks moves to the iPhone and will support notes and PDFs.

Learn how to use iTunes on your Mac to arrange your iPhone and iPod Touch apps. You can move them between screens and decide which ones sync. You can get Gold Strike at the App Store.

Web developers creating pages specifically for the iPhone can ask for GPS location data on their Web pages with some simply JavaScript. See a basic example that can be used to get the latitude and longitude of the iPhone viewing the Web page.

Learn how to use the iPhone's Maps app to search for stores, get directions, plot your current location and more. The iPhone Maps app has been a part of the iPhone since the beginning, but it keeps getting better. Find out what it can do and how easy it is to use.

Take a close look at the new iPhone 3GS Voice Control feature. Learn what it can do and about its many shortcomings.

Take a close look at the iPhone 3GS camera and compare it to the iPhone 3G. It has many advantages, including the ability to record video. It can act as a replacement for both a compact still camera and a mini camcorder.

Take a look at how copy and paste work in the new iPhone OS 3.0. You can use it in Notes, Mail, Safari and just about any other application. You can even copy and paste pictures. Also look at landscape mode typing and the new search functionality.

Learn how to customize your iPhone using the iPhone's settings. You can change your wallpaper, pick a custom ringtone, change how the home button works and add and arrange apps.

Take a look at the new features announced for the iPhone 3.0 OS and what new abilities for iPhone developers will mean for you in the future.

The update to the iPhone adds Google Maps Street View and other map features, the ability to download podcasts directly to the iPhone, and fixes and improvements.

Gary Rosenzweig takes a look at some techniques to help you stretch the iPhone battery so it lasts through a long day.

Gary Rosenzweig shows you how to prevent unwanted text messages by turning off the ability for someone to send you a text message via email. You can also request that text messaging be turned off completely.

Gary Rosenzweig takes a look at the new features of the iPhone 2.0 operating system: Exchange, Calculator, international keyboards, parental restrictions, typing shortcuts and more.

Gary Rosenzweig looks at the new features of the iPhone 3G: Design, GPS, flush headphone jack and 3G connectivity.