That shock was really on the very highfrequencydata that we see for the United States and in this country, was beginning to be overcome by the end of the week and into the weekend.
One such project is called NewsFlash, and uses high-frequency red and green light to transmit data to the built-in camera on a receiving device -- in this case Samsung's Epic 4G.
These were the direct ancestors of the "co-location" and "direct data feeds" that have enabled high-frequency traders to get first crack at market prices on today's stock exchanges.
As latency has been driven into the microsecond range for highfrequency trading (HFT), firms are looking for either new geographies or new information to supplement market data.