Janelapédia is an interactive encyclopedia dedicated to advertising in Rio de Janeiro, curated by Marcio Ehrlich and the Janela Publicitária website. As a component of the WikiWikiWeb project, Janelapédia aims to create a comprehensive resource where anyone can contribute knowledge about Brazilian advertising. This initiative encourages users to register and share insights, promoting collaboration in preserving the history and memory of advertising in Brazil.

The platform features contributions from professionals across various sectors, including administration, operations, creative direction, copywriting, specialized media, and research. Janelapédia also highlights key agencies, industry associations like the Brazilian Advertisers Association (ABA) and the Brazilian Advertising Agencies Association (ABAP), and showcases historic marketing entities. With aspirations to expand its database, Janelapédia not only serves as a historical archive but also as a growing community hub for advertising professionals. Join them in their mission to build the largest repository of advertising knowledge in Brazil while connecting with the rich heritage of the industry.