Brick-and-mortar retailers have been finding it difficult to offer pricing that's competitive with e-commerce sites, which have the advantage of massive scope and scale, according to a new Frost & Sullivan report. E-commerce will account for nearly 18 percent of the total retail market by 2025, it projects. However, B&M retailers have an advantage: their ability to offer customers a personalized experience. Retailers should adopt end-to-end solutions that use cutting-edge technology to make that personalized service cost-effective.