Retailers are copying Amazon with a strategy that's getting you to spend more

Reuters Amazon, the king of ecommerce, has long been a trailblazer in the world of online shopping. But now its business model is rubbing off on retailers, and changing the way we shop in traditional brick-and-mortar stores. Amazon Prime is a paid loyalty program that costs $99 or $10.99 a month and grants members many benefits, including free two-day shipping and access to stream online videos and music. Roughly 49 million American households, or 44% of households in the US, have Prime me...