Until relatively recently, unavailability of large stockpiles of consumer data (at least, stockpiles at the scale now possible) was a significant impediment to

Until relatively recently, unavailability of large stockpiles of consumer data (at least, stockpiles at the scale now possible) was a significant impediment to a large and probably mostly-undiscovered class of potentially ethical behavior, as well as behavior that actively combats unethical behavior. Data itself is amoral and can be used for either good or bad.