According to Business Insider, Amazon could dethrone FedEx and UPS in field of business logistics.<br />E-commerce sales have risen over 50% and are projected to continue their ascent into the next decade.<br />High volumes are already straining shippers' networks.<br />UPS has struggled to bring consumers their parcels on time due to higher-than-anticipated package volume.<br />This has upset some big-name retail partners, including Macy's, Walmart, and Amazon. <br />