Mashed data visualization for holiday analysts

Among the visarazzi— data visualization's foot soldiers, scientists and evangelists—"chart junk" is a no-no. If you make a bar chart about trees, for example, don't for god sakes actually show drawings of trees. That would be silly.

However, the visarazzi probably don't mean to prohibit chart junk food.

Tableau VP of marketing Elissa Fink has made what we…