"Wow that is crazy. It kind of makes me nervous," said Reina Monsour after watching one of Augustinowicz's demonstrations.
"Technology is getting scarier and scarier," added Ivan Marik after watching another demonstration.
By simply using a credit card scanner attached to a battery pack, Augustinowicz shows how easy it is to grab sensitive information from an unsuspecting person.
"If I just get kind of close to (a person's) back pocket or purse, where ever their wallet is, I can read their credit card numbers, expiration date, actually the whole tracking data," Augustinowicz said.