While comparison shopping is nothing new, the way shoppers conduct their research is. Years ago, shoppers combed through retail shelves in pursuit of the perfect deal, an effort that took time, effort and gas. Today, the web fills the gap between time and space with an array of comparison shopping sites that offer customer reviews, large selections and access to prices from well-known stores.
According to ComScore, of the 167 million Americans online in February, almost 53…