Funny thing is there has already been some success towards using neutrinos to communicate here on earth (http://physicsworld.com/cws/article/news/2012/mar/19/ne

Funny thing is there has already been some success towards using neutrinos to communicate here on earth (http://physicsworld.com/cws/article/news/2012/mar/19/neutrino-based-communication-is-a-first http://physicsworld.com/cws/article/news/2012/mar/19/neutrin...). While it's nowhere near efficient currently; I won't dare imagine what could be achieved given a few more years of research.