"The company soon realized that no two RFID-enabled sites are the same, regardless of how closely it tries to duplicate the premises. "

"We also found that a 100 percent read rate of cases (placed) on pallets wasn't achievable, while it is achievable on individual cases,"

"If a tag is placed in the wrong place, the reader could fail to detect and retrieve data from it, noted Simon Langford, Wal-Mart's chief RFID strategist."

So far it sounds like a failure to me!!!!!