Clucast is a Firefox add-on allowing anyone to provide their "Clues" or opinions/ratings for anything found on the internet. The same can used to obtain the aggregate "Wisdom of Crowds" in order to better evaluate products, services, etc.

Pros: Internet is full of information, yet quite often it is difficult to make out what to make it. Adding some weightage to information could be a way to distinguish good stuff from the rest. Collective wisdom of crowds who visited a web page or an specific item on the page can be collected and that can form this weightage. Cluecast attempts to do that. So a clue can be anything and everything; about a product, about politics or anything in between. In case of products it could be ratings for example. Reviews, ratings, opinion about a blog, a site or whatever in text, audio or even video is a clue. Clucast is a free browser plug-in and a tool that brings you the wisdom of crowds.

Clucast allows you to generate new clues and retrieve existing clues about anything and everything displayed on the web. Whether you have an opinion about anything (and who doesn’t) or whether you want to get the inside scoop about something (what you don’t know might hurt you), Clucast sits ready in your browser ready to serve you with just one click from wherever you might be – no need to go anywhere or search for anything. As clues are added the word or phrase is highlighted. All clues of such highlighted items are aggregated and when moused over all the clues are shown to you. Clucast includes comprehensive features, advanced functionality, high usability, robust scalability, and very rich user experience.

Cons: This product has been compared with Wikipedia by the publishers. While the opinion of the crowd, the majority of clues can indicate what’s popular. That may not be the indicator of quality or authenticity as many articles on the Wikipedia prove. Same logic would apply to the clues here, I guess.

Overall a 4 star rating is appropriate.