[iPad] screen protector for iPad 3?

 

Do any of you use one for your iPad?  I have one for my iPhone, but then I take that everywhere with me, which I don't with the iPad.  I will be traveling it with the iPad soon, and want to know if the $39.99 (Zagg Invisible Shield) for the screen protector was worth it.  I know there are less expensive ones out there, but this one apparently most mimics having no screen protector.

I do have a case for my iPad, so it does have protection.

Opinions welcome.
Thanks,
bailey

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