Your Inventory Spreadsheet Is Lying To You
In , two brothers named François and Joseph Blanc looked at the French optical telegraph system and they saw a hole. The telegraph used a series of mechanical arms on towers to send signals across the countryside and the messages were supposed to be for the government only. The brothers did not want to steal the messages but they wanted to send their own.
They bribed an operator at a station near Tours and they gave him a secret code. When a government message passed through his station he would add a small, unnecessary movement of the telegraph arms. This movement meant nothing to the government but it meant everything to the brothers in Bordeaux.
It told them which way the stock market was moving in Paris and they received the news days before the mail coach arrived. They turned a public infrastructure into a private vault and they did it by making the signal unreadable to anyone but themselves.
The Signal in the Glass Office
Today, in a glass office in the Dubai Marina, a different kind of signal is being manipulated. It is and the sun is coming through the windows and the air conditioning is fighting the heat. There are two agents sitting at a desk and they are staring at