Secondly, we also gained certain experiences in using data visualization tools, like Tableau and D3.js, which was quite efficient to have that knowledge.
" A Waterfall Chart is a form of data visualization which helps in determining the cumulative effect of sequentially introduced positive or negative values."
And today, in what's been called the era of post-truth and of misinformation and disinformation, honest data visualization has an especially important role in journalism.