AT&T reportedly will support this feature in its : $45 a month, for 4GB of data and unlimited usage of the carrier's Wi-Fi Basic service, which consists of over 20,000 Wi-Fi hot spots in the U.S.

3. iTunes Home Sharing: Update your iOS devices to 4.3 and any and all of them will be able to play videos and music from the iTunes library on your Mac or PC, streaming the files over your local Wi-Fi network. If you don't have it, you'll first have to install iTunes 10.2 on your computer.

PC World's Mike Keller has a .

4. AirPlay enhancements: is Apple's wireless media streaming technology to play on one device the music, pictures and video files that are stored on another. If you have a favorite TV episode downloaded to your iPad, you can send it via AirPlay to an AppleTV box which passes it along to your big flat-panel TV.

In iOS 4.3, Apple is supporting additional content: video from Web sites or third-party , video captured by the Apple Photos app, and iTunes previews. You can also shoot video on an iOS device and stream it directly from the Photos app to AppleTV.