Both sites did well, convincing Gap to roll product into stores.

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Other observers note that while it's the flashy product roll-outs that get the attention -- pop stars Taylor Swift and Lady Gaga already have made appearances this week -- it's the deal-brokering among tech players behind the scenes that truly matters.

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Green Dot shares lost nearly 20% this morning after Wal-Mart and American Express said it would roll out a competing product.

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Whereas traditional product development would involve making product decisions using business intuition and knowledge, Zynga turned decision-making on its head by hypothesis-driven product testing, quick analysis and agile roll-out based on how customers behaved.

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Its recent attempts to roll out its DishNET satellite broadband service and an online streaming product through its subsidiary, Blockbuster, may prove too little too late, Hodel said.

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But first, Google will have to get over the cool reception the launch got in some quarters, largely dinging the company for lacking innovation in a product that got a star-studded, splashy roll-out.

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The snack food giant plans to roll out its Doritos in a "Taco Bell" flavor as a limited-time product this spring, aiming to capitalize on the popularity of the Doritos-flavored tacos introduced by the fast-food chain last year.

WSJ: Doritos to roll out chips in 'Taco Bell' flavor