A new game called Planet Hunters, set up by a list of organizations including the University of Oxford and Yale University, enlists the help of gamers to seek out new civilizations. Or at least discover potentially new planets, by searching through NASA Kepler public release data.
According to Gamasutra's article, "Every user who helps to discover a planet is then named in the acknowledgements as part of The Royal Astronomical Society monthly notices."
The official report explains more of the details.