It has happened to all of us—you step into an electronics or warehouse store, buy a gadget the size of a keychain, and it is ensconced in plastic packaging the size of a coffin. Stores and manufacturers, however, are getting the clue. Costco has reduced the packaging on many of its products, so instead of those adult-proof plastic vaults, now those camera cards come in cardboard the size of a Frisbee. At least that cardboard recycles—just another positive step. Electronic manufacturers are learning that buffering its products with less content like foam and cardboard adds to the bottom line. ...