Google Voice extends free calls to US and Canada for whole of 2011

Google’s awesome quality Voice service which lets you make free calls to US and Canada is now extended to 2011. There was news that it will only be for 2010 ,but now, in their blog statement they offer this all the way through 2011. Use but don’t abuse.
http://googlevoiceblog.blogspot.com/2010/12/free-calling-in-gmail-extended-through.html