In the days following the earthquake and tsunami in Japan, people have been sharing news about the aftermath, recovery efforts, and how they can help as far and wide as the Internet will allow. However, a reader brought up an issue with spreading the word using Facebook tools.

“Sentiment can be lost,” Jonathan Gardner, director of comms at Vibrant told us. A friend, he told us in an email, sent him a link to a CNN.com story with a Facebook social plug-in. Along the right side of the page, it listed stories that friends “like,” among them, one about a tsunami threat to Russia, Hawaii, and Taiwan. “No one wants to ‘like’ a tragedy,” Gardner writes.

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