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  • Can you use it on non apple phones, such as a droid?

    suzenrose 1 year ago

  • Great learning tool, I have used this many times already!

    omattkohno 2 years ago

  • man! this thing has a bunch of info packed into it...the animations are outstanding, but the way the related topics and terms are cross referenced is awesome...

    doclib123 2 years ago

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