The description of SearchWith - Play With New Friends
SearchWith is an add-on for Firefox that will help you searching for any word you see on any website.
You can change settings to search instantaneously on Google, Wikipedia, Youtube, Flickr or a dictionary. By this way, you'll be able to get instant information about any word. It's easy, you only have to right click the word and choose the SearchWith option in the right-click menu.
Finally, we have to say that searching for any video on Youtube with a mouse gesture is great.