I would have to write a novel here to point out all the technological benefits we received from going to the moon and the subsequent NASA missions. Here are a few web sites that give some of the technology spinoffs of the space program:

http://www.thespaceplace.com/nasa/sp....html#computer
http://www.stars4space.org/Benefits.html
http://techtran.msfc.nasa.gov/at_home.html
http://er.jsc.nasa.gov/seh/spinoff.html