Should there be any legal or ethical limits to the uses to which technology is put, in constructing minutely detailed profiles of who we are, for marketing purposes?

Consider the discussion in the assigned reading, and other ways that marketers use access to our "online" presence and activities, and tracking of our whereabouts through GPS systems, to someday create marketing campaigns that are, in effect, "irresistible."

We believe that in any circumstances, we always have the freedom-- the free will--to choose to purchase or not. To what extent is this now, or might it some day, be an illusion? (Think creatively here)