Regret that email? Gmail gives users chance to call it back

Just about everybody has sent an email, noticed a mistake as they hit the "send" button and wanted to call it back.

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<p><a href="http://www.physorg.com/news156765364.html">Regret that email? Gmail gives users chance to call it back</a></p> <p>Just about everybody has sent an email, noticed a mistake as they hit the "send" button and wanted to call it back.</p>