Hub Dub is similar to many other social bookmarking services in that readers can submit stories from all over the web. The unique feature of Hub Dub is that rather than just ranking news stories, users can predict the future of the news.

Applications for Educators
Hub Dub is a way for students to track a particular news story, make a prediction about that story, and compare their predictions to the actual outcomes. Students can compare their predictions to the predictions of others around the world using Hub Dub. Hub Dub exposes students to global perspectives on news stories.

Here is a short video introduction to Hub Dub.