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Saturday, November 13, 2004The New York Times has published a lengthy informative article about walmart's successful usage of IT for ensuring consistent business success. We covered in this blog earlier walmart's IT organisational philosophy and the speed and efficiency with which walmart CIO Linda Dillman drives thinsg within walmart. Excerpts:
When HURRICANE FRANCES was on its way, barreling across the Caribbean, threatening a direct hit on Florida's Atlantic coast. Residents made for higher ground, but far away, in walamrt headquarters, executives at Wal-Mart Stores decided that the situation offered a great opportunity for one of their newest data-driven weapons, something that the company calls predictive technology. A week ahead of the storm's landfall, Linda M. Dillman, Wal-Mart's chief information officer, pressed her staff to come up with forecasts based on what had happened when Hurricane Charley struck several weeks earlier. Backed by the trillions of bytes' worth of shopper history that is stored in Wal-Mart's computer network, she felt that the company could "start predicting what's going to happen, instead of waiting for it to happen," as she put it. The experts mined the data and found that the stores would indeed need certain products - and not just the usual flashlights. "We didn't know in the past that strawberry Pop-Tarts increase in sales, like seven times their normal sales rate, ahead of a hurricane," Ms. Dillman said in a recent interview. "And the pre-hurricane top-selling item was beer." Thanks to those insights, trucks filled with toaster pastries and six-packs were soon speeding down Interstate 95 toward Wal-Marts in the path of Frances. Most of the products that were stocked for the storm sold quickly, the company said.Such knowledge, Wal-Mart has learned, is not only power. It is profit, too.
Wal-Mart amasses more data about the products it sells and its shoppers' buying habits than anyone else, so much so that some privacy advocates worry about potential for abuse.With 3,600 stores in the United States and roughly 100 million customers walking through the doors each week, Wal-Mart has access to information about a broad slice of America - from individual Social Security and driver's license numbers to geographic proclivities for Mallomars, or lipsticks, or jugs of antifreeze. The data are gathered item by item at the checkout aisle, then recorded, mapped and updated by store, by state, by region. By its own count, Wal-Mart has 460 terabytes of data stored on Teradata mainframes, made by NCR, at its headquarters. To put that in perspective, the Internet has less than half as much data, according to experts.
Information about products, and often about customers, is most often obtained at checkout scanners. Wireless hand-held units, operated by clerks and managers, gather more inventory data. In most cases, such detail is stored for indefinite lengths of time. Sometimes it is divided into categories or mapped across computer models, and it is increasingly being used to answer discount retailing's rabbinical questions, like how many cashiers are needed during certain hours at a particular store.All of the data are precious to Wal-Mart. The information forms the basis of the sales meetings the company holds every Saturday, and it is shot across desktops throughout its headquarters and into the places where it does business around the world. Wal-Mart shares some information with its suppliers - a company like Kraft, for example, can tap into a private extranet, called Retail Link, to see how well its products are selling. But for the most part, Wal-Mart hoards its information obsessively.
Over the years,Wal-Mart executives have spent handsomely for their systems, paying $4 billion in 1991 to create Retail Link and signing onto innovations like bar codes and electronic data interchange, a forerunner of the Internet, well ahead of the pack. Wal-Mart is also driving manufacturers to invest in radio frequency identification. By next October, the company will require its biggest suppliers to tag shipments to some of its distribution centers with tiny transmitters that would eventually let Wal-Mart track every item it sells.
WAL-MART uses its mountain of data to push for greater efficiency at all levels of its operations, from the front of the store, where products are stocked based on expected demand, to the back, where details about a manufacturer's punctuality, for example, are recorded for future use. The purpose is to protect Wal-Mart from a retailer's twin nightmares: too much inventory, or not enough. Armed with sales results from past weeks and months, Wal-Mart meets with each of its suppliers to establish sales goals for the coming year.
(Part II of this article shall follow shortly) |
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