Oxygen and hydrogen are the most important chemical elements for human survival. These elements are needed for breathing and water, but that does not mean, it is the most popular chemical elements.
The proof given by Anders Sandberg after the Google-search visualization about Periodic Table, in which chemical elements are written in different sizes depending on the number of searches on the search engine Google Search .
As you can see, champions are “precious” Ag and Au (gold and silver) yes, what is more popular than money? and almost searching for Bh and Lv (Boris and livermorio) is zero. These elements, just last year added to the periodic table.