You can't read a bar code well if another bag is sitting on top of the tag, for example, but this is a matter of process. If it's just a case of tweaking the [bar code-based] system that way, then it's not worthwhile to install RFID.  -   Jeff Woods     Quotes
You can't read a bar code well if another bag is sitting on top of the tag, for example, but this is a matter of process. If it's just a case of tweaking the [bar code-based] system that way, then it's not worthwhile to install RFID. Jeff Woods
 Example