Guest Column - “It is a capital mistake to theorize before one has data,” once said Arthur Conan Doyle’s famous fictional detective Sherlock Holmes. Conan Doyle’s use of the word ‘data’ in his stories is noteworthy. Not only did he portray Holmes as obsessed with observations and facts, but also as a data-driven decision-maker. The author was a scientist at heart, and he understood the power of facts and figures. His use of the word ‘data’ in his novels may have contributed