Historically, Google has allowed local advertisers to put in a fourth line of text giving the location, limited to the city or region. Including an actual address makes the ad stand out more, showing exactly how local it is, he writes.

To view the search query for “massage San Francisco,” click here. Note the full address following the URL in two of the ads in the right-hand column.

Sterling Market Intelligence focuses on the Internet's impact on local consumer and advertising behaviour.