We have a certain image of what great marketers should look like. David Ogilvy with his pipe. Don Draper with his whiskey. Alex Bogusky on the cover of Fast Company.
Of course, each of these embodied their own era in their own way. But look at the last crop of billion dollar brands, which in the last half decade rose from nothing to ubiquity: Facebook. Zappos. Airbnb. Square. Uber. Evernote. Spotify. Twitter. Dropbox.