The mouthpiece of the suction machine attached to the Dredge Carolina has been fitted with a grille to keep it from swallowing large munitions, but that means pieces of trash get caught, and someone has to remove debris every three hours.
This includes stealing your wallet or purse, posing as someone who needs information about you, looking through your trash, or stealing information you provide to an unsecured website or in an unencrypted email.
To bring it back to my world of text analytics, there would be a very, very large difference between watching what someone says on twitter and pulling DNA off of the coffee cup they just threw in the trash.