I believe that extraterrestrial life does exist, and that we should transmit signals. But what 'if' radio signals are obsolete to them? shouldn't we try other methods of communication?
If a race is far more superior than ours, what would they gain in making contact with us?
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.