“1.21 Giga Watts!?!” Marty McFly and Dr. Emmett Brown a.k.a “Doc” takes us on a journey to the future in the final instalment of the Back to The Future trilogy. As online retail continues to gain popularity, we can’t help but wonder what retail will be like in the future. According to this week’s infographic, global eCommerce sales are forecasted to reach $1,321.4 trillion by 2016! Let’s take a closer look.