Powerset's search engine utilizes NLP to analyze the structure of language, allowing users to search articles on Wikipedia using keywords or questions. The search results include relevant images, tags, and summaries. Users can click on an article and view it alongside a side box containing related "factz" that provide brief facts about the topic. Powerset had two funding rounds, raising $20.5 million, before being acquired by Microsoft in 2008 for a reported $100 million. The technology was integrated into Bing, Microsoft's own search engine.