Spending on global business travel reached $1 trillion in 2013 and is expected to grow more than 8 percent in 2014, according to data from the Global Business Travel Association.

Some of the tools being used to optimize business travel today include setting up push notifications via mobile devices to automate and anticipate traveler logistics. The gamification of business travel and an increase in traveler perks are also expected to help drive cost efficiencies.

The infographic below from American Express explains how innovation in business travel is helping maximize traveler productivity.