Here’s Maciej Cegłowski giving a talk on the hazards of Big Data.
The current model of total surveillance and permanent storage is not tenable.
If we keep it up, we’ll have our own version of Three Mile Island, some widely-publicized failure that galvanizes popular opinion against the technology.
At that point people who are angry, mistrustful, and may not understand a thing about computers will regulate your industry into the ground.
See also: the text version of the talk.