Amazon's logistics empire at work: now delivering 48% of its own packages
USPS' participation has gone from 60% to less than 35% in under three years
Amazon pioneered the idea of expedited shipping of online purchases with the launch of Amazon Prime in 2005. The buying club offered customers free two-day shipping on eligible purchases in exchange for a flat annual fee of $79. The program seemed unsustainable at first but over time, Amazon has proven its worth exponentially.