<P> Best Buy debuted on the New York Stock Exchange in 1987 . In 1989, the company introduced a new store concept dubbed "Concept II ." Concept II replaced dimly lit industrial - style stores with brighter and more fashionably fixtured stores . Stores also began placing all stock on the sales floor rather than in a stock room, had fewer salespersons and provided more self - help product information for its customers . Best Buy also did away with commissioned salespeople . The commission - free sales environment "created a more relaxed shopping environment free of the high - pressure sales tactics used in other stores," but was unpopular with salespersons and suppliers . Some suppliers, such as Maytag, Whirlpool and Sony, were upset that salespeople would no longer be pushing their products and stopped selling their wares in Best Buy stores . The suppliers returned after Best Buy's sales and revenue grew following the roll - out of Concept II . </P> <P> In 1992, the company achieved $1 billion in annual revenues . In 1995, Best Buy debuted "Concept III" stores, which were larger than its previous stores . The Concept III stores included expanded product offerings, interactive touchscreen kiosks that displayed product information for both customers and employees, and demonstration areas for products such as surround sound stereo systems and videogames . </P> <P> Best Buy launched its "Concept IV" stores with its expansion into New England in 1998 . Concept IV stores included an open layout with products organized by category, cash registers located throughout the store, and slightly smaller stores than Concept III stores . The stores also had large areas for demonstrating home theater systems and computer software . </P> <P> In 1999, Best Buy was added to Standard & Poor's S&P 500 . </P>

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