Why are smartphones useful to traffickers for controlling their victims? They allow traffickers to elude authorities.
They allow traffickers to communicate with the purchaser.
They allow traffickers to advertise on the internet.
They allow traffickers to track their victim's location and actions.

The answer is They allow traffickers to track their victim's location and actions.

is this a real question

one time i was looking at my neighbors screen door to see if the door was open i was squinting like a fool for 10 minutes before realizing he was starring back i then died from embarrassment and am now typing this from the ghost world