1. A computer implemented method, comprising: capturing a scene using a capture device, the scene including a human target; rendering a representation of the scene and the human target on a display device; presenting an interface allowing the human target to select and position one or more of a plurality of virtual articles representing real articles available for purchase in the representation on the display device; tracking movements of the human target in the scene; applying the movements of the human target to the representation of the human target; applying the movements of the human target to at least one of the virtual articles in the representation when the movements of the human target in the scene indicate an article manipulation gesture; and applying the movements of the human target to a purchasing interface when the movements of the human target in the scene indicate an transaction manipulation gesture