F. In Network: The agency helped shed some light (and attention) on the difficulty of having your dentist be “out of network.” Don’t you hate that? Well, since Delta Dental of Washington offers the widest network of dentists in Washington State and nationwide, they can stake a unique claim to the offering of staying “in network” as a universal benefit. So the agency seized the moment and continued with the “In Network” campaign, utilizing familiar situations and the strengths Delta Dental has to offer.