บท 252: A Tour Inside IDS Part 3

After successfully showing Tiffania the wonders of computers, they began heading to another room. 

Room for showing and demonstration of the products has long been prepared for a smooth passage of the tour. Alexander didn't intend to stay in the headquarters for quite a long as he still had an administrative task to fulfill.

Philip, once again, opened the door with his peculiar card, prompting Tiffania, who had been wondering what made it completely curious. And whenever she is curious, there's only one person to ask, and that is her brother. 

"Brother, what type of card does Sir Philip use to open the door?" 

"Oh, you mean the one he just put in his pocket? It's just a card with a magnetic stripe on it. In those magnetic stripes are small magnets where personal binary data is stored."