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"Google has announced that Gmail users will be able to make free phone calls to the U.S. and Canada through 2011.  When calling was added to Gmail back in August, the company said that it\u2019d be making such calls free \u201Cfor at least the rest of the year,\u201D with per minute rates starting at $0.02 per minute for international dialing.\nThe service made a major splash initially, with 1 million calls placed in the first 24 hours and pundits predictably calling the service a potential Skype killer.  That said, we haven\u2019t heard many updates about the traction the service is getting since then, though free calling for all of 2011 certainly stands to lure more users.\nWe\u2019ve reached out to Google for some updated numbers and will post here if we hear back.  In the meantime, let us know  in the comments if you\u2019re making phone calls from Gmail."^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2010/12/20/gmail-free-phone-calls/>