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>> Hey, guys. I'm Brian Tong from CNET.com, and I'm back with more little secrets you might not know about that are hidden inside of iOS 4. Now, I know this may not be the sexiest one, but anyone with an iPhone 3GS 3rd gen iPod Touch or the new iPhone can now take advantage of iOS4's data protection feature that enhances the built-in hardware encryption. All you have to do is go to your Settings, then General and Passcode, and create one. Once you do that, scroll down to the bottom and you should see data protection is enabled and you are good to go. Now, folders is a big deal for iOS 4 fans, but a fun little trick is that you can now bring folders down into the dock as well and access them from there. In the mail app, the new threaded emails is a favorite feature of mine, but you might not like it. So in your settings, go to Mail, Contacts and Calendars, and you can toggle on or off the organize by thread option. Once inside the actual mail app, you'll also see that Contact Pictures will display within the email in the corner, which is a nice little touch. Now, we all play music on our iPhones and iPad Touches, and you can now create and edit your own playlist directly in the music app, and they will sync back to your computer the next time you connect it. This is another killer feature. And if you're also searching for songs by album, there's a whole new layout with artwork and additional information. Now, if you're the type of person who thinks lyrics or podcast information just gets in the way, you can turn them off in your settings by going to iPod and switching off the lyrics and podcast info option. I'm Brian Tong for CNET.com with another batch of iOS 4 tips for you. Use them wisely.
