Facebook is a leading social networking website launched in February 2004.You can now get video and voice chat in facebook similar to other IMs.Friendcam is an application on Facebook which allows video calls with any of your online friends via webcam. This application also allows up to 3 persons video conferencing. You can also see other Facebook members cam by clicking on the shuffle tab.
If you want to remove this application navigate to Privacy Settings > Applications web sites > Delete >Select FriendCam Video Chat then Remove Selected
FriendCam : http://friendcameo.com/