• Search Engine Marketing (SEM): Trafficvance likely facilitated the buying and management of search engine advertising, particularly pay-per-click (PPC) campaigns across various search engines.
• Display Advertising: They probably offered solutions for managing and optimizing display ad campaigns, utilizing techniques such as contextual targeting, retargeting, and programmatic buying.
• Data and Analytics: A crucial aspect of their business was providing advertisers with robust data and analytics tools to track campaign performance, measure return on investment (ROI), and optimize strategies.
• Technology Platform: Trafficvance likely developed and maintained its own proprietary technology platform to manage and automate the complexities of online advertising campaigns. This platform likely offered features such as campaign management tools, reporting dashboards, and bidding optimization algorithms.

Location: The company was headquartered in the United States, though precise city and state information requires further research beyond the scope of this response given the lack of readily available information about the defunct company.

Company History (Summary): Further details on the company's history, including its founding date, acquisition, or eventual dissolution, require access to archived resources or historical business records. The specifics of its operational lifespan and ultimate fate are not readily available through general online searches.

Note: Because Trafficvance no longer operates, detailed information about its specific services, client base, and internal structure is limited. This write-up is based on a general understanding of the type of company it was, given its name and the common practices within the digital advertising industry during the period of its operation.