January 2005.
             Problem: radio waves bounce off cans and don't move through liquid well.
             [4] Campbell planned a hybrid approach, putting tags on pallets and cases
             so that products can be tracked from warehouse to store; unfortunately, the
             retailer won't know the location of every can until it is sold and the bar
             code is scanned. Taking at least a first step is more than many of Wal-
             Mart's suppliers have done; [5] and at the very least, tracking its pallets
             better can help Campbell's bottom line which had taken a beating lately,
             down to $595 million net income in 2000, down from $724 in 1999.
             Because of the nature of radio waves vs. metal, it is unlikely
             Campbell's can place the required tags on its cans. Another approach might
             have been to shift the problem from logistics to R&D and invent a
             plastic/polymer soup container that would work with the RFID tags and be
             resistant to cracking or denting. The company gets a 75 on its efforts; as
             the market leader, it was allowing sheer volume to over
             ...