Retailers like Best Buy (BBY +2.8 %) and Amazon (AMZN -0.1%) are making mobile phones 'mission...

|About: Best Buy Co. (BBY)|By:, SA News Editor

Retailers like Best Buy (BBY +2.8 %) and Amazon (AMZN -0.1%) are making mobile phones 'mission critical' sales tools. With special discounts and other incentives, retailers will drive purchases via mobile phones to $3B by year's end, and to $6B in 2011, say analysts.