
1882: Buy the Crash
John C. Dvorak's Tip of the Day, RFID Blocking Cards
John C. Dvorak provides the "Tip of the Day," recommending the Magriffin RFID blocking card. The card uses electronic circuitry to jam signals from potential data thieves within a four-inch radius, protecting both credit cards and passports. Dvorak suggests placing the card in the middle of a wallet for maximum effectiveness.
















