Knowledge iN also offers an Open Dictionary function, which is a database of informative articles generated by users. Users can create an article on their own, or enable other users to collaborate by creating a thread of articles on the same subject. There is also an 'Ask an Expert' category where licensed doctors, veterinarians, pharmacists, lawyers, tax accountants, and labor attorneys answer users' questions. As of May 2016, Knowledge iN had 100 million questions, 200 million answers, and 47 million accumulated users.