They are also narrowly trained for specific applications and thus fail badly when outside the limits of that training or in response to " spoofing" by adversaries.
In an elaborate spoof, he signed a document in which he expressed the sincere desire of the Paraguayan government to establish diplomatic relations with the bogus country.
Navinder Singh Sarao appeared in court to fight his extradition to America, where he is accused, among other things, of spoofing the futures market by placing phoney orders.