Friends are often our main source to know what films to watch, what books to read, what restaurants to try. Each one of us, we have our "good sources" : friends that we trust particularly when it comes to recommendations.
Nothing new in that, this the "word of mouth" effect, abundantly described and analyzed. There are many tools available on the Net which enable you to give your friends (and unknown users) your opinions : from very basic star rating systems to more sophisticated dedicated sites. However, we have not found exactly what we think would be a useful tool to let your friends just know what are your
