Patent ID: 8823636

Claim:
A system, comprising: a manual device, including at least: a longitudinal body; a first marking element operable to discharge a first marking substance on a surface in response to a manual movement of the first marking element upon the surface, the first marking element proximate to a first end of the longitudinal body; a second marking element operable to discharge a second marking substance on a surface in response to a controller, the second marking element proximate to an opposing end of the longitudinal body spaced apart from the first end; and the controller operably coupled to at least the second marking element, the controller capable of at least: regulating discharge of the second marking substance bearing digitally-encoded data in at least two dimensions via the second marking element; and regulating discharge of the second marking substance based at least in part on acquired data indicative of at least one aspect of an environment of the manual device; and a sensor operable to acquire data indicative of one or more aspects of an environment associated with the manual device.