Millions and millions served by Tableau Public

Tableau Public's score so far reads like one of those old McDonald's marquees: 4.5 million people have visited data visualizations hosted by the site, says Tableau Software VP of marketing Elissa Fink.

More than 30,000 visualizations — "vizes" — have been published. The most popular of all, says Elissa, have been the ones about homes, personal budgets, a…