Abstract: An apparatus and a method for controlling a computer display screen, field of view, visualization overlaid upon a field of view, or object using the input of a non-viewed computer touch screen, touch-sensing surface, or non-physical-contact movement-capturing device interacting with a hand or stylus eliminating distraction away from the principal field of view employed in accomplishing the objective of use.

Abstract: A software apparatus existing on a network or network device or devices enabling buyers or their representation and sellers or their representation to engage in network-mediated dialogue regarding pricing for good and services, and to conclude a purchase or sale based upon that dialogue. The price can be dynamically adjusted based on profit optimization for the seller or cost minimization for the buyer. Alternatively or additionally, the price can be adjusted based upon the time of day or window of time, distance from the seller, one or more locales, aggregated and averaged buy offers from buyers, marketing analytics, or external world conditions.