As use of the Internet has become more prevalent in our daily lives in past 15 years, parcel shipping has been quietly doing the same. The growing popularity of eCommerce means that more people than ever are purchasing goods online rather than going to brick and mortar stores. According to comScore, inc. (on their website www.comScore.com), there has been a 39% increase in the last five years of consumers purchasing online. This relatively dramatic shift is forcing shippers to adapt their supply chains to the new ways in which we consumers buy goods.