Below is a sobering infographic that puts in plain detail just how much theft and fraud there is in America today. Credit card theft, in particular is a huge problem, and RFID in some ways may be making it easier on the thieves. Heed the advice you see here and you will be ahead of the game.
One thing we would add is that blocking those RFID signals is a rock solid way to prevent the most high-tech credit card theft. The Smart Armor Safe does that and more!