[piva00]

That depends on every user of this massive data set to be responsible with it, do you trust that?

If there was a way to read every person's thoughts in public spaces to deal with crime, so that you could know exactly who is guilty of a crime, or preparing to commit a crime beforehand, would that be a technology you'd support?

Data privacy is important, our collective rights are more important than helping the police to increase their rate of solving crimes.