"Given that these companies are newer to search and/or have less cash reserves to weather a financial
storm, they are the most likely to pull back on their paid search campaigns with the economy tanking," Goldman says. "This poses a major challenge to the engines that have been growing revenue
dramatically quarter over quarter as the tail gets longer."
Slower growth from the engines means frustrated shareholders, which could spark cost-cutting measures--leading to less investment in R&D and ultimately, fewer innovations in search. Goldman says that for larger search firms, it could mean less opportunity to expand their own search platforms and services. And this downward spiral culminates in a scenario where it's much more difficult for search agencies to grow their clients' campaigns, and thus, their own businesses.