A collaborative filtering system recommends to users products that similar users like. Collaborative filtering systems influence purchase decisions and hence have become targets of manipulation by ...

All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. The goal of the ...

EACH year, thousands of films are released and tens of thousands of books published. A big city has thousands of restaurants. How does one deal with such abundance? Reading reviews of films, books and ...