While RFID continues to receive boatloads of hype, there are few real world deployments. While Wal-Mart's experience shows it can work, experts warn that a decision to use RFID requires a great deal of planning and consideration. If done right, the return on investment can be compelling -- good RFID deployments can provide a 20 percent savings in labor, a 3 percent to 4 percent increase in sales and an 80 percent reduction in theft and fraud. But that kind of gain is only achieved with good planning and process. Article