1. A method of communicating information using hand sign signals, said method comprising:
first moving a digit of a hand, the first movement identifying a control input chosen from a first set of data input; and
next moving at least one digit of a hand, the next movement identifying a secondary input chosen from a second set of data
input larger than the first set of data input, the secondary input being included in a set of secondary inputs defined by
the control input, and wherein the control input provided by the first movement followed by the secondary input provided by
the next movement is a unique sign for a data input.
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