jfruh writes: "In the world of high-frequency stock trading, every millisecond is money. That's why many firms are getting information and sending big orders not through modern fiber-optic networks, but using line-of-site microwave repeaters, a technology that's over 50 years old. Because electromagnetic radiation passes more quickly through air than glass, and takes a more direct route, the older technology is seeing something of a renaissance." Link to Original Source
At the source of every error which is blamed on the computer you will find
at least two human errors, including the error of blaming it on the computer.