B2B ecommerce is expected to become a $1.8 trillion market and account for 17% of all B2B sales in the U.S. by 2023. Driving this growth is the increasing number of millennials stepping into decision-maker roles within their organizations. As these digital natives stand at the helm of many B2B purchasing decisions, it’s crucial to understand the ways in which millennials are redefining the traditional notion of B2B sales.