U.K.'s John Lewis Trials Electronic Shelf Tags That Don't Look
Like New Technology. Will This Reverse Psychology Work?
Electronic shelf tags have gone pretty much nowhere in recent
years, but U.K. department store chain John Lewis is doing an
interesting trial at one of its newest stores. The Exeter
location, which...  PCI Security Problems: The Practical Versus
The Perfect  Security rules are wonderful things, and nowhere
are they more needed than in retail and payment-card data. But a
common criticism of the organization handling such matters—the
PCI Council—is that it...  Nordstrom Phone-Tracking Trial Raises
Customer-Theft Threat  Nordstrom (NYSE:JWN) is six months into a
17-store trial in which shoppers are counted by way of Wi-Fi
signals from their smartphones. The 236-store apparel chain is
not storing any customer personal information from the trial,
and it's only being given aggregated data on customers by the
vendor handling the trial. But that vendor, Euclid, is storing
hashed versions of customer