Add "At" to Your Google Search for Site-Specific Results

While the site: operator was pretty useful (i.e., to search for Google Voice articles at Lifehacker, one would search site:lifehacker.com google voice), it's tedious to type out, and it's only well-known among Google ninjas. Today's change, while it doesn't yet seem as accurate as the old method, is an easy, intuitive way to search a specific domain.

via lifehacker.com