1. I hope there is something out there, and I hope it is friendly =)
2. We have been sending all our radiowaves since the first radiostation, so I guess that should be enough for others to receive
3. I run it because it is a very cool and odd thing to cooperate in
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.