Slashdot writes, An anonymous reader writes "In a new feature on the future of high-frequency trading, Wired suggests that neutrino-powered financial trading systems may be coming soon, which would enable extremely low-latency information to be transmitted directly through the center of the Earth between major financial exchanges. If finance becomes the killer app for neutrino communication technology, it may ultimately make Neutrino SETI feasible. Quoting: 'It is only a matter of time, perhaps a few decades, says Alexander Wissner-Gross, a Harvard physicist, before some hedge fund decides it needs a particle...