Second-Tier Engines Provide Low-Priced Leads

Brian Morrisey at DM News writes that although second-tier engines don't get the traffic Google and Yahoo offer, they do provide low-priced leads.

"As massive as Google and Overture are ... they have a finite amount of inventory," Peter Hershberg, managing partner at search marketing firm Reprise Media, New York, said during a Search Engine Strategies panel covering alternative search ad programs."