Home › Google Adwords Question True of False: You should consider the global availability of ad units and ad placements when planning a reservation based campaign. By · Wednesday, November 19, 2014 True of False: You should consider the global availability of ad units and ad placements when planning a reservation based campaign. Answer - True Google Adwords Question GA Gaurav Arora, Digital Media Lead. 10+ years running paid media and tracking for brands in the USA, UK and Canada.