As the commercial Internet space as evolved over the past two decades the businesses that exist to help others navigate the tricky waters have as well.
Initially, traditional ad agencies were harassed by smaller and more nimble digital agencies who did all the ‘neat-o cool’ whiz bang Internet stuff. SEO, PPC and other acronyms helped to spawn the type of agency that focused their efforts directly where their traditional competition was weakest and they have benefited for many years through that strategy.