The corporate server recognizes your identity thanks to a card you insert in the Corona's smart-card slot, and serves up your applications and data accordingly.

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While you can always insert a local SIM card into your phone for use when you are in port, this will not help you if you are on a cruise ship at sea and out of range of a local carrier.

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The TSA is required to insert a Notice of Inspection card whenever your luggage is hand searched, but writing personal notes, while not unprecedented, is probably frowned upon by supervisors.

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Once you unlock your phone you can insert almost any SIM card you want (the iPhone3 and 4 series take a different size SIM so be careful), foreign or domestic, prepaid or not.

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The article reports that a company called Square has created a credit card reader that you can insert into the headphone jack of your iPhone, iPad, iPod Touch or Android phone.

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