Google or Yahoo Computer Mouse
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             The usual computer mouse could also be replaced by Google or Yahoo.com pen/s (with or without inks) and/or stick/s and/or hand/s and/or finger/s (and all others) still making use of Google or Yahoo.com Camera/s (or Reading Camera/s) to determine or display (and all others) Google or Yahoo.com point value/s or movement/s (similar to movement/s or point value/s shown by the usual ordinary mouse).