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Try the new iPad in your classroom! This growing list of "Apps" are from the iPad section of the iTunes Apps store. Access the iPad Apps list in the iTunes Store here. Also try iPod Touch Apps on the iPads and let us know how they work. The latest iTunes is required to access the links."
iPhone Configuration Utility (IPCU) lets you easily create, maintain, encrypt, and install configuration profiles, track and install provisioning profiles and authorized applications, and capture device information including console logs. Recommended for those managing devices running iOS 4.0 or later.
Configuration profiles are XML files that contain device security policies, VPN configuration information, Wi-Fi settings, APN settings, Exchange account settings, mail settings, and certificates that permit iPhone and iPod touch to work with your enterprise systems.
"As its name suggests, Find My iPhone is a tracking feature to locate a missing iPhone 4, iPad or fourth-generation iPod Touch. (Only the latest models get the free feature.)"
Summary
To create an iTunes App Store account without a credit card please follow the steps below.
Note: In order to create an account without a credit card, you must make sure you are in the App Store, not the iTunes Store.