The personal finance start-up Mint famously built its user base by posting engaging topical content on its corporate blog. Some of its most successful posts were infographics — some 130 of them — which garnered 30 to 40 times the page views of a comparable article. That’s according to Stew Langille, former VP of marketing at Mint, who says the success of those infographics helped spark a data visualization renaissance on the Web (as well as the creation of far too many less rigorous “info posters”).