Under the threat of increased content fragmentation, travel management companies and corporate travel booking tools can earn their stripes by integrating multiple sources. Each has its own approach to the age-old challenge made new by the emergence of NDC. SAP Concur last month told TMCs that for its online booking tool, they must decide to "present the entirety of each airline's content" from a traditional GDS connection or from Travelfusion, an aggregator. In other words, according to Concur, "non-GDS content cannot be combined with GDS content for the . . .