A search engine was built to focus on niche content, specifically portfolios, zines, and unique art projects, rather than corporate documentation. The project involved indexing approximately 40 million domains with a planned storage of 40GB for metadata.

Google offers a hidden Reference Desk feature that helps users find specific information more efficiently. The Reference Desk framework includes 40 distinct features and alternative search engines to enhance search capabilities beyond traditional methods.

An NSFW filter for Marginalia Search is being developed in response to requests from API consumers. The filter will utilize a single hidden layer neural network, having explored various other methods prior to this decision.