http://www.cmo.com/interviews/articles/2016/10/25/carnival-cruise-lines-cmo-on-marketing-the-seven-seas.html#gs.rV8tXLc

http://www.cmo.com/interviews/articles/2016/1/24/the-cmocom-interview-jim-berra-cmo-royal-caribbean-international.html

http://www.cmo.com/interviews/articles/2017/1/9/expedias-andrew-cocker-a-tech-business-in-the-travel-vertical.html

http://www.cmo.com/features/articles/2017/5/5/15-mind-blowing-stats-about-digital-trends-in-travel-hospitality-tlp-ddm.html