Multiplying this number by 0.05 gives us that the traffic charge when sending an SMS text message next door is 383, 000 US dollars per gigabyte.

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Depending on your math and service plan, the price of sending a simple SMS text message can range from a minor nuisance, to high-tech highway robbery.

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Having recently celebrated its 20th anniversary, the humble SMS text message has a bittersweet birthday present: plenty of indication that it is gradually becoming obsolete.

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The same could be done with an SMS text message.

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Insoo doesn't even have to take the phone out of his pocket to send an SMS. He knows how to slide it open, which buttons to push how many times to reach the "Send SMS" menu option, compose the entire text message, and hit the send button -- all without even looking at the phone.

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Mobile users can also be duped through so-called "smishing" -- a combination of the words SMS and phishing -- where a user receives a text message asking for personal information like a credit card number, e-mail address or social security number.

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According to the Yankee Group, more than half of all teens between the ages of 13 and 17 are active users of wireless text messaging, sending blurbs using the "SMS" short message service.

FORBES: Just Speechless