Wal-Mart (WMT 0.71%) recently announced that it was adding lockers to many of its stores to enable same-day pickup of items ordered online. In this video, Fool contributor Chuck Saletta talks about how that strategy copycats one that Amazon.com (AMZN 1.78%) has already launched and notes that if Wal-Mart really wants to win, it needs to think leapfrog instead.
