HitTail has always been free, and the method it uses is different from anything else in the industry.
radix
8:58 pm on Feb 2, 2007 (gmt 0)
cool, even the spell tool works there: spell:widget.
One thing I'm not sure about is that a 2 words query I monitor has been returning the exact same number for months now. I wonder how often their database gets updated.