AdWeek today has an interesting article by Brian Morrissey examining how big agencies use or don't use Search Marketing to market themselves. The thrust was that few of them do - which seems to me like a real wasted opportunity. I was almost done with the piece when I got to this quote from Bartle Bogle Hegarty )BBH( Chairman Steve Harty: "We're not convinced that the people we are marketing to are using that as a channel'We have a more targeted strategy than,