Google files digital signage patent

Google files digital signage patent
January 17, 2007

Clickz.com: If patent filings are anything to go by, contextual advertising powered by Google could begin appearing on digital billboards in a shopping mall near you. The Mountain View, Calif. search marketing giant has filed a patent application for technology that lets local stores tie their stock control computers to a Google-powered ad network, a strong hint that the company is planning to expand expansion beyond Web, print and radio advertising.