Topix is an online news community that connects news articles from different sources to a vast number of user-generated web forums. You can find stories on world events, politics, sports, entertainment, and crime, as well as special sections dedicated to shopping, obituaries, and the weather. Furthermore, the website takes an open directory format, so anyone who has an account can edit the content. Please note they are a privately held company.
A9 produces software that allows users to search for products on e-commerce sites. It uses special ranking algorithms that can analyze customer actions and track inventory changes as they occur. A9 is also responsible for the ‘Search Inside the Book’ service that is available on Amazon.com. Other products include Visual Search, which allows users to take pictures of items on mobile devices in order to identify products.