2. The method of claim 1 , further comprising: displaying the instance of the at least two instances of the displayed first content in a manner perceivable by the person.
2. The method of claim 1 , further comprising: displaying the instance of the at least two instances of the displayed first content in a manner perceivable by the person. 3. The method of claim 2 , wherein the displaying the instance of the at least two instances of the displayed first content in a manner perceivable by the person further includes: displaying the instance of the at least two instances of the displayed first content in a manner perceivable by the person and in a manner designed to facilitate a detectable response from the person.