The digitization, the control of the new categories of expenditure, the unification of travel applications, globalization, dynamic rates or new distribution protocols are some of the challenges facing travel managers for the coming year, according to the conclusions of the conference held by Forum Business Travel in Bilbao;These are some of the challenges facing travel managers in the coming year, according to the conclusions of the conference held by Forum Business Travel in Bilbao and Valencia, which is holding its meetings in these two cities for the first time.