Business Travel News’ annual retrospective looks at the industry executives, technologists, travel buyers, The year 2023 was defined in large part by the new landscape of airline distribution, as carriers began to deliver on the possibilities of shifting to the New Distribution Capability filing standard. Illustrated most starkly by American Airlines' dramatic move to shift a solid chunk of content exclusively to NDC channels, suppliers throughout the industry, including airlines, travel management companies, global distribution systems, online booking tools and other tech providers, not to mention buyers, all looked for solid footing on the new terrain. Those efforts are chronicled in BTN’s Most Influential of 2023, but BTN's annual assessment of influence covered other ground too, including mergers and acquisitions, the embrace of sustainability, the rise of AI and other technology and the complexities of global geopolitics. What will come in 2024? .