With more people spending time on phones and tablets rather than laptops and desktops, internet usage on mobile devices has risen over the past few years. Mobile commerce, an extension of e-Commerce is expanding on a sky-rocketing pace. The world of B2B commerce is also changing rapidly. Just having a transaction B2B site is not enough these days. You should have a mobile-first B2B presence to remain competitive in this fast-growing B2B world.