Most of the romantics sending e-cards didn't plan on spending all that time filling out e-mail addresses and typing a message without expecting something in return.

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Users download the free application off the Web, but instead of typing a text message, they use a headset, telephone or microphone and speakers to make a high-quality, two-way voice call to anyone else running the application.

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When you type a message to a friend, he or she sees what you're typing as you type it.

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