42. The method of claim 41 , wherein the detected inaudible physiological reaction includes an attention.
41. A method comprising: detecting an inaudible physiological reaction to a displayed first content from among a plurality of displayed contents by a person viewing the plurality of displayed contents; determining an attribute of the displayed first content that is perceptibly different from other displayed content of the plurality of displayed contents; initiating a search for a second content based on a search parameter that corresponds to the detected inaudible physiological reaction and to the determined attribute; selecting the second content from a result of the initiated search, the selecting being automated and performed at least in part with a processing device; and facilitating a display of the selected second content in a manner perceivable by the person.